Fatal error: Uncaught Error: Call to a member function where() on null in /home/httpd/vhosts/jkf.ch/httpdocs/homepage/php/modules/festival-acts/models/RegistrationModel.php:116 Stack trace: #0 /home/httpd/vhosts/jkf.ch/httpdocs/homepage/php/modules/festival-acts/models/RegistrationModel.php(68): RegistrationModel->getRelations(Array) #1 /home/httpd/vhosts/jkf.ch/httpdocs/homepage/php/modules/festival-programm/entities/Performance.php(54): RegistrationModel->getById('146') #2 /home/httpd/vhosts/jkf.ch/httpdocs/homepage/php/modules/festival-programm/entities/Performance.php(46): Performance->getRelations(Array) #3 /home/httpd/vhosts/jkf.ch/httpdocs/homepage/php/modules/festival-programm/models/ProgrammModel.php(164): Performance->getAll() #4 /home/httpd/vhosts/jkf.ch/httpdocs/homepage/php/modules/festival-programm/controllers/ProgrammController.php(34): ProgrammModel->listShows() #5 /home/httpd/vhosts/jkf.ch/httpdocs/homepage/php/modules/festival-programm/index.php(123): ProgrammController->listShows() #6 /home/httpd/vhosts/jkf.ch/httpdocs/homepage/index.php(279): require_once('/home/httpd/vho...') #7 /home/httpd/vhosts/jkf.ch/httpdocs/index.php(8): require_once('/home/httpd/vho...') #8 {main} thrown in /home/httpd/vhosts/jkf.ch/httpdocs/homepage/php/modules/festival-acts/models/RegistrationModel.php on line 116