What's the problem with API V4 update to 4.3?
Here's a timely answer I just got from Eileen McNaughton. "Contactlayouteditor 1.4.1 is compatabile with the latest apiv4 - so try upgrading that as well (it has been marked as needing CiviCRM 5.11 as ...
Manage Events fatal error after upgrading from 5.4 to 5.10
I can see that the getAllPermissions() method is present, so if you're getting a "call to undefined method" error you very likely have either an extension or a customization that's overriding the file ...
How does drush:site-install recognize a previous civi installation?
It also looks for civicrm.settings.php and there's also a civicrm_install_canary table.
Reports show 4 warnings after upgrading from 5.4 to 5.10
These are fields that have been phased out. Deleting these reports and creating them anew from the core report templates will have solved the problem.
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