array(4 items) caller => 'TYPO3\CMS\Core\Database\DatabaseConnection::exec_SELECTquery' (60 chars) ERROR => 'You have an error in your SQL syntax; check the manual that corresponds to y
our MariaDB server version for the right syntax to use near 'AND tx_question
tree_trees.deleted = 0 AND tx_questiontree_trees.hidden = 0 LIMI' at line 1' (228 chars) lastBuiltQuery => 'SELECT * FROM tx_questiontree_trees WHERE tx_questiontree_trees.uid = AND t
x_questiontree_trees.deleted = 0 AND tx_questiontree_trees.hidden = 0 LIMIT
999' (156 chars) debug_backtrace => 'require(8.7.16/typo3/sysext/frontend/Resources/Private/Php/frontend.php),8.7
.16/index.php#3 // {closure}#24 // TYPO3\CMS\Frontend\Http\Application->run#
23 // TYPO3\CMS\Core\Core\Bootstrap->handleRequest#79 // TYPO3\CMS\Frontend\
Http\RequestHandler->handleRequest#315 // TYPO3\CMS\Frontend\Controller\Typo
ScriptFrontendController->INTincScript#226 // TYPO3\CMS\Frontend\Controller\
TypoScriptFrontendController->recursivelyReplaceIntPlaceholdersInContent#345
7 // TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController->INTincScrip
t_process#3490 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cO
bjGetSingle#3528 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->
render#736 // TYPO3\CMS\Frontend\ContentObject\UserContentObject->render#820
// TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->callUserFunction
#41 // call_user_func_array#6341 // TYPO3\CMS\Extbase\Core\Bootstrap->run# /
/ TYPO3\CMS\Extbase\Core\Bootstrap->handleRequest#186 // TYPO3\CMS\Extbase\M
vc\Web\FrontendRequestHandler->handleRequest#199 // TYPO3\CMS\Extbase\Mvc\Di
spatcher->dispatch#91 // TYPO3\CMS\Extbase\Mvc\Controller\ActionController->
processRequest#85 // TYPO3\CMS\Extbase\Mvc\Controller\ActionController->call
ActionMethod#176 // call_user_func_array#316 // Bwp\Questiontree\Controller\
StartController->replyAction# // Bwp\Questiontree\Domain\Model\Tree->__const
ruct#171 // Bwp\questiontree\databaseFunc->getTree#23 // Bwp\questiontree\da
tabaseFunc->selectFromDatabase#46 // TYPO3\CMS\Core\Database\DatabaseConnect
ion->exec_SELECTquery#20 // TYPO3\CMS\Core\Database\DatabaseConnection->debu
g#313' (1601 chars)