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#181 // 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)