WARNING(2): "include_once(/kunden/251416_83135/webseiten/equiamor/system/classes/system_info/TimezoneSetter.inc.php): failed to open stream: No such file or directory"

WARNING(2): "include_once(): Failed opening '/kunden/251416_83135/webseiten/equiamor/system/classes/system_info/TimezoneSetter.inc.php' for inclusion (include_path='.:/usr/share/php7.2')"

FATAL ERROR(1): "Uncaught Error: Class 'TimezoneSetter' not found in /is/htdocs/wp13416245_AHV6QT5T5P/www/shop/system/core/MainFactory.inc.php(510) : eval()'d code:1
Stack trace:
#0 /is/htdocs/wp13416245_AHV6QT5T5P/www/shop/system/core/MainFactory.inc.php(510): eval()
#1 /is/htdocs/wp13416245_AHV6QT5T5P/www/shop/GXMainComponents/Application.inc.php(340): MainFactory::create_object('TimezoneSetter')
#2 /is/htdocs/wp13416245_AHV6QT5T5P/www/shop/GXMainComponents/Application.inc.php(333): Gambio\GX\Application->getTimezoneSetter()
#3 /is/htdocs/wp13416245_AHV6QT5T5P/www/shop/GXMainComponents/Application.inc.php(183): Gambio\GX\Application->setTimezone()
#4 /is/htdocs/wp13416245_AHV6QT5T5P/www/shop/GXMainComponents/Application.inc.php(117): Gambio\GX\Application->setUpEnvironment()
#5 /is/htdocs/wp13416245_AHV6QT5T5P/www/shop/includes/application_top.php(15): Gambio\GX\Application->run()
#6 /is/htdocs/wp13416245_AHV6QT5T5P/www/shop/product_info.php(28): require_once('/is/htdocs/wp13...')
#7 {main}
  thrown"