I just updated EE & add-on plugins to the latest versions, and am getting this error in the backend everywhere:
Fatal error: Uncaught EventEspresso\core\services\collections\DuplicateCollectionIdentifierException: The supplied identifier “us-al” already exists within this collection. in /wp-content/plugins/event-espresso-core-reg/core/services/collections/Collection.php:116 Stack trace: #0
Until they can get that bug fixed, what you can do is delete the site’s ee_pers_admin_notices option from the wp_options table. That will remove the condition that’s throwing the fatal error.
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