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Warning: Undefined variable $action in /home/scienceskey/vr.scienceskey.com/storage/framework/views/0542e05de284d14486dedf68380d663e1d97bbd6.php on line 14

Fatal error: Uncaught TypeError: method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /home/scienceskey/vr.scienceskey.com/storage/framework/views/0542e05de284d14486dedf68380d663e1d97bbd6.php:14 Stack trace: #0 /home/scienceskey/vr.scienceskey.com/storage/framework/views/0542e05de284d14486dedf68380d663e1d97bbd6.php(14): method_exists(NULL, 'massAction') #1 {main} thrown in /home/scienceskey/vr.scienceskey.com/storage/framework/views/0542e05de284d14486dedf68380d663e1d97bbd6.php on line 14