Title: Error on Installation
Last modified: October 23, 2020

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# Error on Installation

 *  [sebfrey](https://wordpress.org/support/users/sebfrey/)
 * (@sebfrey)
 * [5 years, 6 months ago](https://wordpress.org/support/topic/error-on-installation-25/)
 * Hi, I installed the plugin and got an error, “the plugin does not have a valid
   header.” I can activate it manually, but then, the plugin does not work. When
   I go to load a Listing that I’ve created, it gives me a 404 error, page not found.

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

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 * 0 replies
 * 1 participant
 * Last reply from: [sebfrey](https://wordpress.org/support/users/sebfrey/)
 * Last activity: [5 years, 6 months ago](https://wordpress.org/support/topic/error-on-installation-25/)
 * Status: not resolved