[wp-trac] [WordPress Trac] #51000: Unable to set feature images in WP 5.5

[WordPress Trac]

#51000: Unable to set feature images in WP 5.5
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 Reporter:  rhisflow      |       Owner:  (none)
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  Media         |     Version:  5.5
 Severity:  major         |  Resolution:  invalid
 Keywords:                |     Focuses:
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Comment (by rhisflow):

 Just a quick update what I've discovered so far troubleshooting this
 issue:

 1) On one site where this happened, simply deactivating and then
 reactivating all plugins did the trick.

 2) On another site, deactivating and then reactivating one plugin at a
 time indicated that the plugin which is causing the issue is the "All In
 One WP Security & Firewall" plugin, so I will raise the issue in the
 support forum there.

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Ticket URL: <https://core.trac.wordpress.org/ticket/51000#comment:4>
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