# ERESOLVE error when trying to remove a contrib node

**URL:** <https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074>\
**Category:** General\
**Created:** [23 January 2023 10:25 UTC](https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074 "2023-01-23T10:25:01Z")\
**Posts on this page:** 7\
**Page:** 2

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**Author:** ![TotallyInformation](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/totallyinformation/32/31_2.png) [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Post date:** [24 January 2023 14:17 UTC](https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074/21 "2023-01-24T14:17:50Z")

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> [@dynamicdave](#):
>
> [node-red-contrib-hysteresis/hysteresis] 'hysteresis' already registered by module node-red-contrib-edge-trigger

This isn't helping. You appear to have installed 2 nodes that are trying to claim the node `hysteresis`.

Odd that it can't find `kodi.js`. I have to say that with all the filing system issues you are having, it makes me doubt the validity of your filing system. Have you run a check on it?

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**Author:** ![TotallyInformation](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/totallyinformation/32/31_2.png) [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Post date:** [24 January 2023 14:18 UTC](https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074/22 "2023-01-24T14:18:24Z")

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> [@dynamicdave](#):
>
> I still get 'missing types' message (and the flow stops).

Which nodes are missing?

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**Author:** ![dynamicdave](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dynamicdave/32/96_2.png) [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Post date:** [24 January 2023 15:11 UTC](https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074/23 "2023-01-24T15:11:42Z")

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Thanks for your help.

Eventually... I've installed all the missing nodes using Palette Manager and deleted nodes from the flow that I could determine what they were. I thought I had manually installed all the nodes this morning - but I suspect some of the names didn't agree (in some way).

At least now I can start NR and not get a message with a long string of missing nodes.

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**Author:** ![dynamicdave](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dynamicdave/32/96_2.png) [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Post date:** [24 January 2023 15:27 UTC](https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074/24 "2023-01-24T15:27:44Z")

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Got there at long-last. Phew - what a journey!!!  
It's a relief to get it working again as this particular Pi was running my Home Automation - home lighting, security lights, IR detectors, Owntracks mobile phone tracker as well as some MySQL databases.

# Starting as a systemd service. 24 Jan 15:24:28 - [info] Welcome to Node-RED

24 Jan 15:24:28 - [info] Node-RED version: v3.0.2  
24 Jan 15:24:28 - [info] Node.js version: v16.19.0  
24 Jan 15:24:28 - [info] Linux 5.10.52-v7l+ arm LE  
24 Jan 15:24:30 - [info] Loading palette nodes  
24 Jan 15:24:36 - [info] Worldmap version 2.33.0  
24 Jan 15:24:36 - [info] Dashboard version 3.3.1 started at /ui  
24 Jan 15:24:36 - [warn] rpi-gpio : Raspberry Pi specific node set inactive  
24 Jan 15:24:37 - [info] Settings file : /home/pi/.node-red/settings.js  
24 Jan 15:24:37 - [info] Context store : 'default' [module=memory]  
24 Jan 15:24:37 - [info] User directory : /home/pi/.node-red  
24 Jan 15:24:37 - [info] Projects directory: /home/pi/.node-red/projects  
24 Jan 15:24:37 - [info] Server now running at [http://127.0.0.1:1880/](http://127.0.0.1:1880/)  
24 Jan 15:24:37 - [info] Active project : home\_automation  
24 Jan 15:24:37 - [info] Flows file : /home/pi/.node-red/projects/home\_automation/flows\_iot-super-server.json  
24 Jan 15:24:37 - [warn] Using unencrypted credentials  
24 Jan 15:24:38 - [info] Starting flows  
24 Jan 15:24:38 - [info] Started flows

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<div class="post-metadata">

**Author:** ![TotallyInformation](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/totallyinformation/32/31_2.png) [@TotallyInformation](https://discourse.nodered.org/u/TotallyInformation)\
**Post date:** [24 January 2023 16:56 UTC](https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074/25 "2023-01-24T16:56:11Z")

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> [@dynamicdave](#):
>
> It's a relief to get it working again as this particular Pi was running my Home Automation - home lighting, security lights, IR detectors, Owntracks mobile phone tracker as well as some MySQL databases.

One of the reasons I don't bother or want a DB on my home automation setup, harder to constantly back-up. InfluxDB doesn't count because if I lost the data, frankly, I couldn't care less.

Something you might consider. An up-to-date SD-Card with a copy of your setup so that, in an emergency, you could simply switch to it. That way you could take your time recovering the full setup.

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<div class="post-metadata">

**Author:** ![dynamicdave](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dynamicdave/32/96_2.png) [@dynamicdave](https://discourse.nodered.org/u/dynamicdave)\
**Post date:** [24 January 2023 18:00 UTC](https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074/26 "2023-01-24T18:00:29Z")

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> [@TotallyInformation](#):
>
> Something you might consider. An up-to-date SD-Card with a copy of your setup so that, in an emergency, you could simply switch to it. That way you could take your time recovering the full setup.

Thanks - Great idea. I'll have to implement that.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [25 March 2023 18:00 UTC](https://discourse.nodered.org/t/eresolve-error-when-trying-to-remove-a-contrib-node/74074/27 "2023-03-25T18:00:57Z")

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Closed on 25 March 2023 18:00 UTC

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