Warning: Undefined variable $a1428d1a2 in /var/www/html/plugins/ws5_dashbar/Bootstrap.php on line 2

Fatal error: Uncaught Error: Value of type null is not callable in /var/www/html/plugins/ws5_dashbar/Bootstrap.php:2 Stack trace: #0 /var/www/html/includes/vendor/composer/ClassLoader.php(576): include() #1 /var/www/html/includes/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/var/www/html/i...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('Plugin\\ws5_dash...') #3 /var/www/html/includes/src/Plugin/Helper.php(468): class_exists('Plugin\\ws5_dash...') #4 /var/www/html/includes/src/Shop.php(337): JTL\Plugin\Helper::bootstrap(69, Object(JTL\Plugin\PluginLoader)) #5 /var/www/html/includes/globalinclude.php(70): JTL\Shop::bootstrap(true, Object(JTL\DB\NiceDB), Object(JTL\Cache\JTLCache)) #6 /var/www/html/index.php(7): require('/var/www/html/i...') #7 {main} thrown in /var/www/html/plugins/ws5_dashbar/Bootstrap.php on line 2