Title: Bulk optimization Stuck
Last modified: June 23, 2017

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# Bulk optimization Stuck

 *  Resolved [alesanchezr](https://wordpress.org/support/users/alesanchezr/)
 * (@alesanchezr)
 * [8 years, 11 months ago](https://wordpress.org/support/topic/bulk-optimization-stuck/)
 * Suddenly it says: cancelled in the status of the optimization. Here is a screenshot:
   [https://prnt.sc/fnekcu](https://prnt.sc/fnekcu)
 * When I open the inspector it says:
 * /wp-admin/admin-ajax.php Failed to load resource: the server responded with a
   status of 504 ()
    bulk-optimization.js:83 Uncaught TypeError: Cannot read property‘
   image_sizes_optimized’ of null at bulkOptimizationCallback (bulk-optimization.
   js:83) at Object.error (bulk-optimization.js:140) at i (load-scripts.php:2) at
   Object.fireWith [as rejectWith] (load-scripts.php:2) at y (load-scripts.php:4)
   at XMLHttpRequest.c (load-scripts.php:4)

Viewing 1 replies (of 1 total)

 *  Plugin Author [TinyPNG](https://wordpress.org/support/users/tinypng/)
 * (@tinypng)
 * [8 years, 8 months ago](https://wordpress.org/support/topic/bulk-optimization-stuck/#post-9500344)
 * Sorry for the delayed response. This should likely be solved in the latest version.
   Please try 2.2.5 and report if this still is an issue for you. Thanks!

Viewing 1 replies (of 1 total)

The topic ‘Bulk optimization Stuck’ is closed to new replies.

 * ![](https://ps.w.org/tiny-compress-images/assets/icon-256x256.png?rev=3448487)
 * [TinyPNG - JPEG, PNG & WebP image compression](https://wordpress.org/plugins/tiny-compress-images/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/tiny-compress-images/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/tiny-compress-images/)
 * [Active Topics](https://wordpress.org/support/plugin/tiny-compress-images/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/tiny-compress-images/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/tiny-compress-images/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [TinyPNG](https://wordpress.org/support/users/tinypng/)
 * Last activity: [8 years, 8 months ago](https://wordpress.org/support/topic/bulk-optimization-stuck/#post-9500344)
 * Status: resolved