Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, null given in /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-content/plugins/gallery-by-supsystic/vendor/Rsc/Menu/Page.php:228 Stack trace: #0 /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-content/plugins/gallery-by-supsystic/vendor/Rsc/Environment.php(193): Rsc_Menu_Page->register() #1 /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-content/plugins/gallery-by-supsystic/app/SupsysticGallery.php(89): Rsc_Environment->run() #2 /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-content/plugins/gallery-by-supsystic/index.php(15): SupsysticGallery->run() #3 /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-settings.php(305): include_once('/homepages/20/d...') #4 /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-config.php(48): require_once('/homepages/20/d...') #5 /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-load.php(37): require_once('/homepages/20/d...') #6 /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-blog-header.php(13): require_once('/homepages/20/d...') #7 /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/index.php(17): require('/homepages/20/d...') #8 {main} thrown in /homepages/20/d604471579/htdocs/clickandbuilds/FrdervereindesTanzsportvereinsWeilheim/wp-content/plugins/gallery-by-supsystic/vendor/Rsc/Menu/Page.php on line 228