Notice: Undefined offset: 0 in /var/www/html/tt-api/controllers/WidgetController.php on line 545
Fatal error: Uncaught Error: Call to a member function getAuthor() on null in /var/www/html/tt-api/controllers/WidgetController.php:545
Stack trace:
#0 /var/www/html/tt-api/controllers/WidgetController.php(995): WidgetController->getWidgetForCitationData()
#1 /var/www/html/tt-api/lib/HomegrownMVC/HomegrownMVC/Controller/WildcardController.php(91): WidgetController->{closure}()
#2 /var/www/html/tt-api/lib/HomegrownMVC/HomegrownMVC/Controller/BaseController.php(69): HomegrownMVC\Controller\WildcardController->HomegrownMVC\Controller\{closure}()
#3 /var/www/html/tt-api/lib/HomegrownMVC/HomegrownMVC/Controller/WildcardController.php(44): HomegrownMVC\Controller\BaseController->invokeRoute()
#4 /var/www/html/tt-api/lib/HomegrownMVC/HomegrownMVC/Router.php(178): HomegrownMVC\Controller\WildcardController->invokeRoute()
#5 /var/www/html/tt-api/lib/HomegrownMVC/HomegrownMVC/Router.php(138): HomegrownMVC\Router->findRoute()
#6 /var/www/html/tt-api/lib/HomegrownMVC/HomegrownMVC/Router.php(124): HomegrownMVC\Router->forceFindRoute() in /var/www/html/tt-api/controllers/WidgetController.php on line 545