same here, somehow Envira Gallery got deactivated during an update (of Pro?) and reactivating it shows white page with backend inaccessible. Getting the following error in the logs:
Got error 'PHP message: PHP Fatal error: Uncaught Error: Call to undefined function envira_get_galleries() in …/plugins/envira-gallery/envira-gallery.php:509
Stack trace:
#0 …/pro/cornerstone/includes/elements/classic/_alternate/envira-gallery.php(23): Envira_Gallery->get_galleries()
#1 …/pro/cornerstone/includes/classes/classic/elements/class-element-base.php(58): CS_Envira_Gallery->controls()
#2 …/pro/cornerstone/includes/classes/classic/elements/class-element-base.php(72): Cornerstone_Element_Base->load_controls()
#3 …/pro/cornerstone/includes/classes/classic/elements/class-element-orchestrator.php(283): Cornerstone_Element_Base->model_data()
#4 …/pro/cornerstone/in…
', referer: https://www…/wp-admin/update.php?action=upload-plugin
Versions:
Wordpress: 4.8.2
Pro: 1.2.4
Envira Gallery: 1.7.0.2 (with license)