# Node-RED crash after write boolean to CPU1500 OPC UA

**URL:** <https://discourse.nodered.org/t/node-red-crash-after-write-boolean-to-cpu1500-opc-ua/91107>\
**Category:** General\
**Tags:** opcua\
**Created:** [19 September 2024 12:01 UTC](https://discourse.nodered.org/t/node-red-crash-after-write-boolean-to-cpu1500-opc-ua/91107 "2024-09-19T12:01:53Z")\
**Posts on this page:** 1\
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**Author:** ![iwanek7](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/iwanek7/32/94688_2.png) [@iwanek7](https://discourse.nodered.org/u/iwanek7)\
**Post date:** [19 September 2024 14:58 UTC](https://discourse.nodered.org/t/node-red-crash-after-write-boolean-to-cpu1500-opc-ua/91107/2 "2024-09-19T14:58:12Z")

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> [@OPCUa write not writing](https://discourse.nodered.org/t/opcua-write-not-writing/32538):
>
> Hello, I am trying to write boolean value to my plc with OPCUa write node. but its not writing looks like there is issue with the OPCUa write node because even other bits are not writable. I have also readed many bits and variable with OPCUa read. These error are seen in debug window when I am trying to inject write "TypeError: Cannot read property 'match' of undefined "Error connecting to PLC: Error: getaddrinfo ENOTFOUND tcp://10.1.0.100" ( this error is always there even I am readi…

Did You use "OPCUA Item" node?

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