[wp-trac] [WordPress Trac] #61188: switch_to_blog() causes Fatal error on classic themes

[WordPress Trac]

#61188: switch_to_blog() causes Fatal error on classic themes
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 Reporter:  digberlin          |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Themes             |     Version:  6.5.3
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:  multisite
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Comment (by digberlin):

 Found the culprit: object-cache.php installed by the Performance Lab
 plugin (Version 3.0.0; https://make.wordpress.org/performance/) which
 reamins in the wp-content folder even after uninstalling the plugin.

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Ticket URL: <https://core.trac.wordpress.org/ticket/61188#comment:6>
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