# Node-red-contrib-coap (Error)

**URL:** <https://discourse.nodered.org/t/node-red-contrib-coap-error/48030>\
**Category:** General\
**Created:** [5 July 2021 05:15 UTC](https://discourse.nodered.org/t/node-red-contrib-coap-error/48030 "2021-07-05T05:15:42Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![saeidiot](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/saeidiot/32/44381_2.png) [@saeidiot](https://discourse.nodered.org/u/saeidiot)\
**Post date:** [5 July 2021 05:15 UTC](https://discourse.nodered.org/t/node-red-contrib-coap-error/48030/1 "2021-07-05T05:15:42Z")

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hello everyone, I have problem with the use of (node-red-contrib-coap )

 ![vsssa](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/3X/5/6/5680e2e3aafa3c43d1a4f47a0275180babb665a9.png)

and when I want to use coap request node, I have an error with this message

Flows stopped due to missing node types.

- coap request

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**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [5 July 2021 09:26 UTC](https://discourse.nodered.org/t/node-red-contrib-coap-error/48030/2 "2021-07-05T09:26:34Z")

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Welcome to the forum @saeidiot

To get more information please go into your .node-red folder (that is important) and run  
`npm remove node-red-contrib-coap`  
then run  
`npm install node-red-contrib-coap`  
and post the full output from the install command here (copy/paste please not a screenshot). When pasting it use the `</>` button at the top of the forum entry window so that the forum does not mess with the format.  
Also tell use what hardware and OS you are running on.

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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:** [3 September 2021 09:26 UTC](https://discourse.nodered.org/t/node-red-contrib-coap-error/48030/3 "2021-09-03T09:26:40Z")

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