Code:
[18-Jun-2018 22:20:10 Europe/Berlin]
PHP Recoverable error: Argument 1 passed to ContaoCommunityAlliance\DcGeneral\Controller\ModelCollector::collectSiblingsOf() must implement interface ContaoCommunityAlliance\DcGeneral\Data\ModelInterface, null given, called in /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Controller/DefaultController.php on line 903 and defined in /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Controller/ModelCollector.php on line 255
#0 /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Controller/ModelCollector.php(255): __error(4096, 'Argument 1 pass...', '/html/typolight...', 255, Array)
#1 /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Controller/DefaultController.php(903): ContaoCommunityAlliance\DcGeneral\Controller\ModelCollector->collectSiblingsOf(NULL, 'sorting', Object(ContaoCommunityAlliance\DcGeneral\Data\ModelId))
#2 /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Controller/DefaultController.php(788): ContaoCommunityAlliance\DcGeneral\Controller\DefaultController->pasteTop(Object(ContaoCommunityAlliance\DcGeneral\Data\DefaultCollection), 'sorting', Object(ContaoCommunityAlliance\DcGeneral\Data\ModelId))
#3 /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Controller/DefaultController.php(633): ContaoCommunityAlliance\DcGeneral\Controller\DefaultController->sortAndPersistModels(Array, Object(ContaoCommunityAlliance\DcGeneral\Data\ModelId), NULL, Object(ContaoCommunityAlliance\DcGeneral\Data\ModelId), Array)
#4 /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Controller/DefaultController.php(511): ContaoCommunityAlliance\DcGeneral\Controller\DefaultController->doActions(Array, Object(ContaoCommunityAlliance\DcGeneral\Data\ModelId), NULL, Object(ContaoCommunityAlliance\DcGeneral\Data\ModelId), Array)
#5 /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Contao/View/Contao2BackendView/ActionHandler/PasteHandler.php(82): ContaoCommunityAlliance\DcGeneral\Controller\DefaultController->applyClipboardActions(NULL, Object(ContaoCommunityAlliance\DcGeneral\Data\ModelId), NULL, Object(ContaoCommunityAlliance\DcGeneral\Data\ModelId), NULL, Array)
#6 /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/View/ActionHandler/AbstractHandler.php(55): ContaoCommunityAlliance\DcGeneral\Contao\View\Contao2BackendView\ActionHandler\PasteHandler->process()
#7 [internal function]: ContaoCommunityAlliance\DcGeneral\View\ActionHandler\AbstractHandler->handleEvent(Object(ContaoCommunityAlliance\DcGeneral\Event\ActionEvent), 'dc-general.acti...', Object(Symfony\Component\EventDispatcher\EventDispatcher))
#8 /html/typolight/composer/vendor/symfony/event-dispatcher/EventDispatcher.php(184): call_user_func(Array, Object(ContaoCommunityAlliance\DcGeneral\Event\ActionEvent), 'dc-general.acti...', Object(Symfony\Component\EventDispatcher\EventDispatcher))
#9 /html/typolight/composer/vendor/symfony/event-dispatcher/EventDispatcher.php(46): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'dc-general.acti...', Object(ContaoCommunityAlliance\DcGeneral\Event\ActionEvent))
#10 /html/typolight/composer/vendor/contao-community-alliance/dc-general/src/ContaoCommunityAlliance/DcGeneral/Controller/DefaultController.php(153): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('dc-general.acti...', Object(ContaoCommunityAlliance\DcGeneral\Event\ActionEvent))
#11 /html/typolight/composer/vendor/metamodels/core/src/MetaModels/BackendIntegration/Module.php(75): ContaoCommunityAlliance\DcGeneral\Controller\DefaultController->handle(Object(ContaoCommunityAlliance\DcGeneral\Action))
#12 /html/typolight/system/modules/core/classes/Backend.php(423): MetaModels\BackendIntegration\Module->generate()
#13 /html/typolight/system/modules/core/controllers/BackendMain.php(131): Contao\Backend->getBackendModule('metamodels')
#14 /html/typolight/contao/main.php(20): Contao\BackendMain->run()
#15 {main}
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