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 MySQL server version for the right syntax to use near ') AND tx_irfaq_ca
      t.deleted=0 AND tx_irfaq_cat.hidden=0 AND (tx_irfaq_cat.fe_grou' at line 1' (226 chars)
   lastBuiltQuery => 'SELECT * FROM tx_irfaq_cat LEFT JOIN tx_irfaq_q_cat_mm ON tx_irfaq_q_cat_mm.
      uid_foreign = tx_irfaq_cat.uid WHERE tx_irfaq_cat.pid IN (0, ) AND tx_irfaq_
      cat.deleted=0 AND tx_irfaq_cat.hidden=0 AND (tx_irfaq_cat.fe_group='' OR tx_
      irfaq_cat.fe_group IS NULL OR tx_irfaq_cat.fe_group='0' OR FIND_IN_SET('0',t
      x_irfaq_cat.fe_group) OR FIND_IN_SET('-1',tx_irfaq_cat.fe_group)) ORDER BY t
      x_irfaq_cat.sorting' (399 chars)
   debug_backtrace => 'call_user_func#34 // {closure}# // TYPO3\CMS\Frontend\Http\Application->run#
      33 // TYPO3\CMS\Core\Core\Bootstrap->handleRequest#78 // TYPO3\CMS\Frontend\
      Http\RequestHandler->handleRequest#307 // TYPO3\CMS\Frontend\Page\PageGenera
      tor::renderContent#216 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRend
      erer->cObjGet#210 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer-
      >cObjGetSingle#805 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer
      ->render#859 // TYPO3\CMS\Frontend\ContentObject\FluidTemplateContentObject-
      >render#943 // TYPO3\CMS\Frontend\ContentObject\FluidTemplateContentObject->
      renderFluidView#102 // TYPO3\CMS\Fluid\View\AbstractTemplateView->render#300
       // FluidCache_Standalone_layout_Default_b2622e04563f934b4de3a1b9d7e9285d927
      cf4f9->render#189 // TYPO3\CMS\Fluid\ViewHelpers\RenderViewHelper::renderSta
      tic#55 // TYPO3\CMS\Fluid\View\AbstractTemplateView->renderSection#121 // Fl
      uidCache_Standalone_template_file_Default_68554cf0b99e05cdda42bd603cc6ef0e79
      94ef65->section_040f06fd774092478d450774f5ba30c5da78acc8#230 // TYPO3\CMS\Fl
      uid\ViewHelpers\RenderViewHelper::renderStatic#52 // TYPO3\CMS\Fluid\View\Ab
      stractTemplateView->renderPartial#119 // FluidCache_Standalone_partial_Colum
      nMain_78090c282afbeea8cb525c9660ffefb3b7c28391->render#288 // TYPO3\CMS\Flui
      d\Core\ViewHelper\AbstractViewHelper->initializeArgumentsAndRender#42 // TYP
      O3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper->callRenderMethod#249 // cal
      l_user_func_array#268 // TYPO3\CMS\Fluid\ViewHelpers\CObjectViewHelper->rend
      er# // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle
      #119 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->render#859 /
      / TYPO3\CMS\Frontend\ContentObject\ContentContentObject->render#943 // TYPO3
      \CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle#97 // TYPO3
      \CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle#841 // TYPO
      3\CMS\Frontend\ContentObject\ContentObjectRenderer->render#859 // TYPO3\CMS\
      Frontend\ContentObject\C...' (3234 chars)