Title: HTTP 500 Error with MU-plugins
Last modified: August 31, 2016

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# HTTP 500 Error with MU-plugins

 *  [IvanMarkus](https://wordpress.org/support/users/ivanmarkus/)
 * (@ivanmarkus)
 * [10 years, 2 months ago](https://wordpress.org/support/topic/http-500-error-with-mu-plugins/)
 * HTTP 500 Error if I add a file.php with a modification of a plugin in the mu-
   plugins directory.
 * If I remove the file then the web working again.
 * What are the possible causes?

The topic ‘HTTP 500 Error with MU-plugins’ is closed to new replies.

## Tags

 * [mu-plugins](https://wordpress.org/support/topic-tag/mu-plugins/)

 * 0 replies
 * 1 participant
 * Last reply from: [IvanMarkus](https://wordpress.org/support/users/ivanmarkus/)
 * Last activity: [10 years, 2 months ago](https://wordpress.org/support/topic/http-500-error-with-mu-plugins/)
 * Status: not resolved

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