# General

**URL:** https://discourse.nodered.org/c/general/7.md?page=115

[Latest](https://discourse.nodered.org/latest.md) · [Categories](https://discourse.nodered.org/categories.md) · [Tags](https://discourse.nodered.org/tags.md)

**Page:** 116

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## [How to change Topic with MQTT Out node?](https://discourse.nodered.org/t/how-to-change-topic-with-mqtt-out-node/87316)

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**Author:** [@el\_pablo](https://discourse.nodered.org/u/el_pablo)\
**Replies:** 2\
**Last updated:** [18 April 2024 15:38 UTC](https://discourse.nodered.org/t/how-to-change-topic-with-mqtt-out-node/87316 "2024-04-18T15:38:47Z")

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Hi, This is a stupid simple question, but I don't know how to change dynamically the topic of an MQTT Out node. I've read that I need to leave it blank and it will take the topic from the input msg, but it doesn't work…

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## [\[slightly off-topic\]why does running npm install xxxxx not update a module](https://discourse.nodered.org/t/slightly-off-topic-why-does-running-npm-install-xxxxx-not-update-a-module/87312)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 9\
**Last updated:** [18 April 2024 15:17 UTC](https://discourse.nodered.org/t/slightly-off-topic-why-does-running-npm-install-xxxxx-not-update-a-module/87312 "2024-04-18T15:17:59Z")

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I've had this happen in the past but since I do it so rarely, I just put ti down to problem with me But earlier today, @smcgann99 came up with a quick fix for an issue to just cd into .node-red folder and run npm instal…

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## [Alexa node-red-contrib-alexa-remote2-applestrudel not working again](https://discourse.nodered.org/t/alexa-node-red-contrib-alexa-remote2-applestrudel-not-working-again/87293)

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**Author:** [@cymplecy](https://discourse.nodered.org/u/cymplecy)\
**Replies:** 5\
**Last updated:** [18 April 2024 08:38 UTC](https://discourse.nodered.org/t/alexa-node-red-contrib-alexa-remote2-applestrudel-not-working-again/87293 "2024-04-18T08:38:43Z")

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Seems to have stopped working again (at least for some of us)

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## [What is needed just to require a login to access the dashboard/ui?](https://discourse.nodered.org/t/what-is-needed-just-to-require-a-login-to-access-the-dashboard-ui/87284)

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**Author:** [@rmystique](https://discourse.nodered.org/u/rmystique)\
**Replies:** 4\
**Last updated:** [18 April 2024 06:00 UTC](https://discourse.nodered.org/t/what-is-needed-just-to-require-a-login-to-access-the-dashboard-ui/87284 "2024-04-18T06:00:17Z")

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Looking at the user guide its not too clear on what steps I need to take so when I access the ip I get asked for a login to be able to get into the interface? looks like editing the admin/auth in the settings file?

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## [Dashboard Text Inputs to CSV](https://discourse.nodered.org/t/dashboard-text-inputs-to-csv/87309)

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**Author:** [@Abaos](https://discourse.nodered.org/u/Abaos)\
**Replies:** 2\
**Last updated:** [18 April 2024 05:41 UTC](https://discourse.nodered.org/t/dashboard-text-inputs-to-csv/87309 "2024-04-18T05:41:28Z")

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Hey, very new to Node Red but I'm trying to create a system where I can have multiple text fields produce a singular csv in the order of the inputs. Example: TexInputA: 1 TexInputB: 2 TexInputC: 3 Output: 1,2,3 I t…

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## [Missing Context Menu in Editor](https://discourse.nodered.org/t/missing-context-menu-in-editor/87310)

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**Author:** [@KirchnerAlex](https://discourse.nodered.org/u/KirchnerAlex)\
**Replies:** 4\
**Last updated:** [17 April 2024 20:12 UTC](https://discourse.nodered.org/t/missing-context-menu-in-editor/87310 "2024-04-17T20:12:12Z")

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Hello, after updating Node-Red from v3.0.2 to v3.1.7 I miss the very useful context menu (right mouse button - see picture) in the editor. Is there any way to activate it or does it no longer exist? Thanks in advance. …

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## [Node-red installation](https://discourse.nodered.org/t/node-red-installation/87204)

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**Author:** [@Tais](https://discourse.nodered.org/u/Tais)\
**Replies:** 3\
**Last updated:** [17 April 2024 19:53 UTC](https://discourse.nodered.org/t/node-red-installation/87204 "2024-04-17T19:53:22Z")

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I installed node-red by official site, npm, but I don´t achieve to use it. I have the latest versions of powershell and node js

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## [Select one source out of many and send IR Commands to selected source](https://discourse.nodered.org/t/select-one-source-out-of-many-and-send-ir-commands-to-selected-source/87253)

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**Author:** [@JasonH](https://discourse.nodered.org/u/JasonH)\
**Replies:** 8\
**Last updated:** [17 April 2024 18:00 UTC](https://discourse.nodered.org/t/select-one-source-out-of-many-and-send-ir-commands-to-selected-source/87253 "2024-04-17T18:00:00Z")

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I'm trying to send IR commands by first picking the correct source and then depending upon the source selected send IR commands to that selected source. My sources are all DISH Network receivers, I have the correct code…

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## [Npm error when trying to install node-red-contrib-postgrestor-next](https://discourse.nodered.org/t/npm-error-when-trying-to-install-node-red-contrib-postgrestor-next/87292)

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**Author:** [@QusaiAlHajHasan](https://discourse.nodered.org/u/QusaiAlHajHasan)\
**Replies:** 3\
**Last updated:** [17 April 2024 14:01 UTC](https://discourse.nodered.org/t/npm-error-when-trying-to-install-node-red-contrib-postgrestor-next/87292 "2024-04-17T14:01:27Z")

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Dear all, I face a problem when trying to install any postgres package on the node-red. The error message is: info it worked if it ends with ok 1 verbose cli \[ 1 verbose cli '/usr/bin/node', 1 verbose cli '/usr/b…

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## [A node that reports if a \_msgid is entered only once](https://discourse.nodered.org/t/a-node-that-reports-if-a-msgid-is-entered-only-once/87300)

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**Author:** [@TheArcher](https://discourse.nodered.org/u/TheArcher)\
**Replies:** 0\
**Last updated:** [17 April 2024 10:53 UTC](https://discourse.nodered.org/t/a-node-that-reports-if-a-msgid-is-entered-only-once/87300 "2024-04-17T10:53:45Z")

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Hello, I am looking for a solution to the following problem: I use a link to call nodes in which the Message is processed. I get an infrequent error message that a link\_call times out. Since it is a dynamic call and nu…

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## ["Error: Timeout connecting to transport" between Siemens PLC and Raspberry with Node-Red](https://discourse.nodered.org/t/error-timeout-connecting-to-transport-between-siemens-plc-and-raspberry-with-node-red/87295)

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**Author:** [@azerisblij](https://discourse.nodered.org/u/azerisblij)\
**Replies:** 0\
**Last updated:** [17 April 2024 08:29 UTC](https://discourse.nodered.org/t/error-timeout-connecting-to-transport-between-siemens-plc-and-raspberry-with-node-red/87295 "2024-04-17T08:29:35Z")

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Hey guys, I am having issues to connect my Raspberry-pi 3 Model V2.1 with my PLC-S7 1215C DC/DC/DC. I'm running a Node-Red program on the Raspberry that worked perfectly when operated from my laptop. The connection be…

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## [Notion Flows not working and how to contact author?](https://discourse.nodered.org/t/notion-flows-not-working-and-how-to-contact-author/87088)

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**Author:** [@googizzy](https://discourse.nodered.org/u/googizzy)\
**Replies:** 4\
**Last updated:** [16 April 2024 21:35 UTC](https://discourse.nodered.org/t/notion-flows-not-working-and-how-to-contact-author/87088 "2024-04-16T21:35:18Z")

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I am trying to get the following flow going: but I keep getting the error: error: "Request failed: Headers is not defined" However, the set of integration properties for these flows do not reveal the header optio…

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## [How to set data in a separate functions with undefined activation sequences?](https://discourse.nodered.org/t/how-to-set-data-in-a-separate-functions-with-undefined-activation-sequences/87159)

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**Author:** [@Twellow](https://discourse.nodered.org/u/Twellow)\
**Replies:** 7\
**Last updated:** [16 April 2024 20:27 UTC](https://discourse.nodered.org/t/how-to-set-data-in-a-separate-functions-with-undefined-activation-sequences/87159 "2024-04-16T20:27:17Z")

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Hi, I've been trying to wrap my head around the get and set functions but quite confused on setting the msg into a different function with a second activation point. The output always delivers 'undefined'. JSON Clipboa…

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## [Turn off Error messages?](https://discourse.nodered.org/t/turn-off-error-messages/87280)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 4\
**Last updated:** [16 April 2024 20:08 UTC](https://discourse.nodered.org/t/turn-off-error-messages/87280 "2024-04-16T20:08:21Z")

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I am in the process of moving several services including Node-red and Mariadb to another server. I have not yet got mariadb installed & working and the database transferred. Consequently Node-red is spewing out these er…

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## [Pythonshell exit code -4508](https://discourse.nodered.org/t/pythonshell-exit-code-4508/86990)

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**Author:** [@New\_to\_node\_red](https://discourse.nodered.org/u/New_to_node_red)\
**Replies:** 7\
**Last updated:** [16 April 2024 18:09 UTC](https://discourse.nodered.org/t/pythonshell-exit-code-4508/86990 "2024-04-16T18:09:21Z")

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I have been having this issue that python command is not found/ python install not found. I have added python folder to the Path variable. I am working with windows system. "the Path in node-red must be different to pa…

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## [Node-red crashed by getProduction\_FusionSolar](https://discourse.nodered.org/t/node-red-crashed-by-getproduction-fusionsolar/87274)

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**Author:** [@NodeLoc](https://discourse.nodered.org/u/NodeLoc)\
**Replies:** 1\
**Last updated:** [16 April 2024 15:30 UTC](https://discourse.nodered.org/t/node-red-crashed-by-getproduction-fusionsolar/87274 "2024-04-16T15:30:16Z")

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Hi! I am trying to use the getProduction\_FusionSolar v2.6.2 node from Hermannp. The necessary FusionSolar-API credentials have been established at the installer account. Now, when the login or password are purposefull…

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## [Issue with creating a loop of messages](https://discourse.nodered.org/t/issue-with-creating-a-loop-of-messages/87234)

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**Author:** [@mfreudenberg](https://discourse.nodered.org/u/mfreudenberg)\
**Replies:** 4\
**Last updated:** [16 April 2024 13:48 UTC](https://discourse.nodered.org/t/issue-with-creating-a-loop-of-messages/87234 "2024-04-16T13:48:40Z")

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Hi, i'm currently stuck with a flow, that creates a message sequence within a function block. I want to send messages through the Threema API Gateway. My issue is, that due to the limitations of the gateway i need to s…

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## [EACCES Error! Permission Denied!](https://discourse.nodered.org/t/eacces-error-permission-denied/87250)

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**Author:** [@Erfan](https://discourse.nodered.org/u/Erfan)\
**Replies:** 9\
**Last updated:** [16 April 2024 11:29 UTC](https://discourse.nodered.org/t/eacces-error-permission-denied/87250 "2024-04-16T11:29:45Z")

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i try to import a picture which is in my desktop but it gets me Error: EACCES i dont know whats wrong!

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## [Converting Blockly to Node Red](https://discourse.nodered.org/t/converting-blockly-to-node-red/87249)

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**Author:** [@dodo](https://discourse.nodered.org/u/dodo)\
**Replies:** 4\
**Last updated:** [16 April 2024 07:23 UTC](https://discourse.nodered.org/t/converting-blockly-to-node-red/87249 "2024-04-16T07:23:09Z")

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Hello, I´m was using the folowing Blockly script with great success for the last year in my home automation system "iobroker". Then I switch to a new automation system "Home Assistant" and unfortunately Blockly is not…

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## [Its possible to communicate Mitsubishi PLC Fx5u-M32 (Ethernet TCP/IP) to Node red using "node-red-contrib-cip-ethernet-ip"?](https://discourse.nodered.org/t/its-possible-to-communicate-mitsubishi-plc-fx5u-m32-ethernet-tcp-ip-to-node-red-using-node-red-contrib-cip-ethernet-ip/16253)

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**Author:** [@sandeepanj](https://discourse.nodered.org/u/sandeepanj)\
**Replies:** 9\
**Last updated:** [16 April 2024 07:02 UTC](https://discourse.nodered.org/t/its-possible-to-communicate-mitsubishi-plc-fx5u-m32-ethernet-tcp-ip-to-node-red-using-node-red-contrib-cip-ethernet-ip/16253 "2024-04-16T07:02:29Z")

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its possible to communicate Mitsubishi PLC Fx5u-M32 (Ethernet TCP/IP) to Node red using "node-red-contrib-cip-ethernet-ip" ??

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## [How to correctly call OPC UA BROWSE node in a loop?](https://discourse.nodered.org/t/how-to-correctly-call-opc-ua-browse-node-in-a-loop/87261)

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**Author:** [@trexnickel](https://discourse.nodered.org/u/trexnickel)\
**Replies:** 0\
**Last updated:** [16 April 2024 05:46 UTC](https://discourse.nodered.org/t/how-to-correctly-call-opc-ua-browse-node-in-a-loop/87261 "2024-04-16T05:46:26Z")

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Hi, I am learning opc ua and using node-red OPC UA nodes to create a flow where I can read all the variables periodically. After getting the complete address space of thr OPC UA server, I filtered out all the variable r…

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## [Improving Parsing Security camera JSON data](https://discourse.nodered.org/t/improving-parsing-security-camera-json-data/87104)

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**Author:** [@lorenjz](https://discourse.nodered.org/u/lorenjz)\
**Replies:** 6\
**Last updated:** [16 April 2024 05:42 UTC](https://discourse.nodered.org/t/improving-parsing-security-camera-json-data/87104 "2024-04-16T05:42:50Z")

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Hello, I have a zoneminder system that sends motion data to node red via MQTT. Currently I parse that data with a function node. A while back I read that using function nodes isn't very efficient. What I'm looking to…

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## [Doubt with data from Mysql A NodeRed and graph it](https://discourse.nodered.org/t/doubt-with-data-from-mysql-a-nodered-and-graph-it/87256)

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**Author:** [@LilGrundy](https://discourse.nodered.org/u/LilGrundy)\
**Replies:** 7\
**Last updated:** [15 April 2024 21:58 UTC](https://discourse.nodered.org/t/doubt-with-data-from-mysql-a-nodered-and-graph-it/87256 "2024-04-15T21:58:21Z")

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Good day colleagues, I have a question, it turns out that I am trying to extract data from the MySql table, and make a push to graph it in a chart, all with a date range, it turns out that it does not give any error some…

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## [Help for using cytoscape on node-red](https://discourse.nodered.org/t/help-for-using-cytoscape-on-node-red/87254)

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**Author:** [@spereg53](https://discourse.nodered.org/u/spereg53)\
**Replies:** 2\
**Last updated:** [15 April 2024 18:47 UTC](https://discourse.nodered.org/t/help-for-using-cytoscape-on-node-red/87254 "2024-04-15T18:47:18Z")

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somebody,can helpme to use cytoscape with some example on node-red version 3.1.6 installed on raspberry pi 5,bookworn,64bits,thanks

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## [RGB inject Lidl vs. Hue Strips](https://discourse.nodered.org/t/rgb-inject-lidl-vs-hue-strips/87252)

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**Author:** [@cairon](https://discourse.nodered.org/u/cairon)\
**Replies:** 0\
**Last updated:** [15 April 2024 17:37 UTC](https://discourse.nodered.org/t/rgb-inject-lidl-vs-hue-strips/87252 "2024-04-15T17:37:53Z")

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Hi there, I have a little living room light project here with a big problem. I am analyzing the Vibrant color in the cover picture of the current song with the vibrant node of node-red, converting the color to RGB colo…

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## [Error spreadsheet](https://discourse.nodered.org/t/error-spreadsheet/87132)

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**Author:** [@Gravino](https://discourse.nodered.org/u/Gravino)\
**Replies:** 14\
**Last updated:** [14 April 2024 20:12 UTC](https://discourse.nodered.org/t/error-spreadsheet/87132 "2024-04-14T20:12:03Z")

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hello every one, i'm new in node red i would like to use spreadsheet to read value from excel but i'm getting this error , i hope some one can help me i also tried this

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## [Jsonata, modify some elements in an array of objects](https://discourse.nodered.org/t/jsonata-modify-some-elements-in-an-array-of-objects/87216)

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**Author:** [@jbudd](https://discourse.nodered.org/u/jbudd)\
**Replies:** 13\
**Last updated:** [14 April 2024 16:25 UTC](https://discourse.nodered.org/t/jsonata-modify-some-elements-in-an-array-of-objects/87216 "2024-04-14T16:25:22Z")

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Speaking of the names of debug nodes, @Colin recently said And I too have "debug 2514" etc So I thought "yes a simple flow to rename them ..." I can get a subset of flows.json, the offending nodes, using Jsonata in a…

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## [Remote Access to NodeRed(nr)](https://discourse.nodered.org/t/remote-access-to-nodered-nr/86867)

<div class="topic-metadata">

**Author:** [@rfg9585](https://discourse.nodered.org/u/rfg9585)\
**Replies:** 18\
**Last updated:** [14 April 2024 15:24 UTC](https://discourse.nodered.org/t/remote-access-to-nodered-nr/86867 "2024-04-14T15:24:53Z")

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i am running my laptop on my home net and my cerbo is connected on my rv net. i connected my laptop to my rv net and bamb, i could access nr on my cerbo. not a big network person so not sure how to resolve this, but see…

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## [Estou tendo problemas para rodar o node red](https://discourse.nodered.org/t/estou-tendo-problemas-para-rodar-o-node-red/87226)

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**Author:** [@valdir1](https://discourse.nodered.org/u/valdir1)\
**Replies:** 2\
**Last updated:** [14 April 2024 12:42 UTC](https://discourse.nodered.org/t/estou-tendo-problemas-para-rodar-o-node-red/87226 "2024-04-14T12:42:24Z")

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podem me ajudar? estou tendo problemas para instalar ja tentei pelos codigos: (npm install -g --unsafe-perm node-red) \`\`\`(npm install -g node-red-admin) apresentando o mesmo erro na hora de rodar 13 Apr 18:54:13 - \[i…

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## [Accessing CerboGX](https://discourse.nodered.org/t/accessing-cerbogx/87217)

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**Author:** [@rfg9585](https://discourse.nodered.org/u/rfg9585)\
**Replies:** 3\
**Last updated:** [13 April 2024 19:49 UTC](https://discourse.nodered.org/t/accessing-cerbogx/87217 "2024-04-13T19:49:28Z")

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I posted on Victron site but no luck with answer. Anyone here have the detail steps to remedy this situation? I ran a flow accessing NR via vrm on my window11 box connected to my cerbogx. How can I from my w11 laptop …

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