Title: Optimize Fails with error
Last modified: January 18, 2026

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# Optimize Fails with error

 *  [Rich Anderson](https://wordpress.org/support/users/storagesavvy/)
 * (@storagesavvy)
 * [3 months ago](https://wordpress.org/support/topic/optimize-fails-with-error/)
 * Hi, I’ve installed the AI Database Optimizer to test and it will analyze the 
   database, grab performance data, and suggest fixes but when I run “optimize now”
   it fails. It always shows “Last Optimized: Never”.
   Further testing shows it seems
   to be only failing when using optimization level : High. After clicking Optimize
   Now it shows optimizing database for a while.. Then shows “An error occurred 
   during optimization.” But no other info.Also, it seems to gives the same issues
   and recommendations each time, as if it’s not actually optimizing those tables
   as recommended.I disabled all of the caching and optimization plugins but it 
   didn’t change the issue. It seems like low and medium both run and succeed, high
   does not. But it also seems like low and medium don’t actually make any changes,
   but i can’t be sure if that.

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 * ![](https://ps.w.org/ai-database-optimizer/assets/icon-256x256.png?rev=3328710)
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 * 0 replies
 * 1 participant
 * Last reply from: [Rich Anderson](https://wordpress.org/support/users/storagesavvy/)
 * Last activity: [3 months ago](https://wordpress.org/support/topic/optimize-fails-with-error/)
 * Status: not resolved