A handful of Drupal users had reported that clicking on the Show Layout Designer redirects them back to the previous page. A few users reported the presence of the following error in their Drupal log " Table 'a4l.panels_layout' doesn't exist query: SELECT * FROM panels_layout t__0 in /var/www/vhosts/afl.pghtechministries.org/httpdocs/sites/all/modules/ctools/includes/export.inc on line 379." after they had upgraded the Panels and Ctools modules after seeing the issue. If you are facing the same error in your Drupal site when using Panels then read on to know the fix.
- Check if you had recently added any modules or themes.
- A few users had reported the conflict with the Jquery Update module. Tru disabling it to see if the error goes away
Hope that helps.
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