Title: Error Message on Activation
Last modified: January 18, 2021

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# Error Message on Activation

 *  [CricketPond](https://wordpress.org/support/users/karensh1/)
 * (@karensh1)
 * [5 years, 3 months ago](https://wordpress.org/support/topic/error-message-on-activation-18/)
 * Installed plugin. Clicking on “Activate” button throws this error message: The
   plugin does not have a valid header. So, am not able to install.
 * Doesn’t instill confidence in even trying to go forward with this plugin.

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [Sea Jay](https://wordpress.org/support/users/jcollier/)
 * (@jcollier)
 * [5 years, 3 months ago](https://wordpress.org/support/topic/error-message-on-activation-18/#post-13933266)
 * We received the same error. Here’s a support thread on this issue:
 * [https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-199/](https://wordpress.org/support/topic/the-plugin-does-not-have-a-valid-header-199/)
 *  Thread Starter [CricketPond](https://wordpress.org/support/users/karensh1/)
 * (@karensh1)
 * [5 years, 3 months ago](https://wordpress.org/support/topic/error-message-on-activation-18/#post-13933397)
 * Thanks [@jcollier](https://wordpress.org/support/users/jcollier/). Much appreciated.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Error Message on Activation’ is closed to new replies.

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 * 2 replies
 * 2 participants
 * Last reply from: [CricketPond](https://wordpress.org/support/users/karensh1/)
 * Last activity: [5 years, 3 months ago](https://wordpress.org/support/topic/error-message-on-activation-18/#post-13933397)