Fatal error: Uncaught Error: Interface "JTL\Widgets\WidgetInterface" not found in /var/customers/webs/flachkanal/flachkanalmarkt.de/includes/src/Widgets/AbstractWidget.php:15
Stack trace:
#0 /var/customers/webs/flachkanal/flachkanalmarkt.de/includes/vendor/composer/ClassLoader.php(571): include()
#1 /var/customers/webs/flachkanal/flachkanalmarkt.de/includes/vendor/composer/ClassLoader.php(428): Composer\Autoload\includeFile('/var/customers/...')
#2 [internal function]: Composer\Autoload\ClassLoader->loadClass('JTL\\Widgets\\Abs...')
#3 /var/customers/webs/flachkanal/flachkanalmarkt.de/includes/class_aliases.php(15): class_alias('JTL\\Widgets\\Abs...', 'WidgetBase')
#4 /var/customers/webs/flachkanal/flachkanalmarkt.de/includes/autoload.php(10): require_once('/var/customers/...')
#5 /var/customers/webs/flachkanal/flachkanalmarkt.de/includes/globalinclude.php(38): require_once('/var/customers/...')
#6 /var/customers/webs/flachkanal/flachkanalmarkt.de/index.php(5): require('/var/customers/...')
#7 {main}
thrown in /var/customers/webs/flachkanal/flachkanalmarkt.de/includes/src/Widgets/AbstractWidget.php on line 15