# 'Tag is Invalid' - likely due to an unspecified plugin

**URL:** <https://meta.discourse.org/t/tag-is-invalid-likely-due-to-an-unspecified-plugin/137908>\
**Category:** Product Support\
**Created:** [January 6, 2020, 8:16pm UTC](https://meta.discourse.org/t/tag-is-invalid-likely-due-to-an-unspecified-plugin/137908 "2020-01-06T20:16:31Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![Andy02](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/andy02/32/119498_2.png) [@Andy02](https://meta.discourse.org/u/Andy02)\
**Post date:** [January 6, 2020, 8:16pm UTC](https://meta.discourse.org/t/tag-is-invalid-likely-due-to-an-unspecified-plugin/137908/1 "2020-01-06T20:16:31Z")

</div>

It works fine with one tag, but with more sometimes it won’t allow users to post and gives that error message.

You can edit the post afterwards with as many tags as you want, and sometimes it just lets you post.

Is there a setting in the backend that i need to change? Maybe the sporadic nature means users can’t create more than one tag at a time, or create a new tag when existing ones are also present.

Anyone else encountered this?

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_[View the full topic](https://meta.discourse.org/t/tag-is-invalid-likely-due-to-an-unspecified-plugin/137908)._