Title: Internal server error. Stage: frontend_analysis
Last modified: September 1, 2023

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# Internal server error. Stage: frontend_analysis

 *  Resolved [sme58](https://wordpress.org/support/users/sme58/)
 * (@sme58)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/internal-server-error-stage-frontend_analysis/)
 * Malware scanner showing this error. I have run it a few times and the same issue
   occurs.
    -  This topic was modified 2 years, 9 months ago by [sme58](https://wordpress.org/support/users/sme58/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Finternal-server-error-stage-frontend_analysis%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Plugin Support [sergecleantalk](https://wordpress.org/support/users/sergecleantalk/)
 * (@sergecleantalk)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/internal-server-error-stage-frontend_analysis/#post-17018938)
 * Hello,
 * Are there any PHP errors in your web server PHP error logs? You can ask your 
   hosting support about this.
 *  Thread Starter [sme58](https://wordpress.org/support/users/sme58/)
 * (@sme58)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/internal-server-error-stage-frontend_analysis/#post-17019005)
 * Thanks for the pointer. I found the following and disabled the IONOS Performance
   plugin and it works ok now.
 * [01-Sep-2023 14:09:29 UTC] PHP Warning: Undefined array key “host” in ……./wp-
   content/plugins/ionos-performance/vendor/ionos/performance-feature-caching/inc/
   Caching.php on line 301
 *  Plugin Support [sergecleantalk](https://wordpress.org/support/users/sergecleantalk/)
 * (@sergecleantalk)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/internal-server-error-stage-frontend_analysis/#post-17019062)
 * Glad that the issue was resolved.

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Internal server error. Stage: frontend_analysis’ is closed to new replies.

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 * 3 replies
 * 2 participants
 * Last reply from: [sergecleantalk](https://wordpress.org/support/users/sergecleantalk/)
 * Last activity: [2 years, 9 months ago](https://wordpress.org/support/topic/internal-server-error-stage-frontend_analysis/#post-17019062)
 * Status: resolved