# Undefined tag in node-red

**URL:** <https://discourse.nodered.org/t/undefined-tag-in-node-red/33355>\
**Category:** General\
**Created:** [25 September 2020 18:47 UTC](https://discourse.nodered.org/t/undefined-tag-in-node-red/33355 "2020-09-25T18:47:13Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [25 September 2020 18:58 UTC](https://discourse.nodered.org/t/undefined-tag-in-node-red/33355/2 "2020-09-25T18:58:35Z")

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What SQL database?

> [@alikhan](#):
>
> one tag shows undefine

Are we supposed to guess which one? 🙂

Can you show a debug output?

Also, in order to make code more readable and importable it is important to surround your code with three backticks  
`````  
`like this`  
`````

You can edit and correct your post by clicking the pencil icon.

See this post for more details - [How to share code or flow json](https://discourse.nodered.org/t/how-to-share-code-or-flow-json/506)

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