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
       // TYPO3\CMS\Fluid\Core\Parser\ParsingState->render#189 // TYPO3\CMS\Fluid\
      Core\Parser\SyntaxTree\RootNode->evaluate#85 // TYPO3\CMS\Fluid\Core\Parser\
      SyntaxTree\AbstractNode->evaluateChildNodes#27 // TYPO3\CMS\Fluid\Core\Parse
      r\SyntaxTree\ViewHelperNode->evaluate#48 // TYPO3\CMS\Fluid\Core\ViewHelper\
      AbstractViewHelper->initializeArgumentsAndRender#137 // TYPO3\CMS\Fluid\Core
      \ViewHelper\AbstractViewHelper->callRenderMethod#249 // call_user_func_array
      #268 // TYPO3\CMS\Fluid\ViewHelpers\RenderViewHelper->render# // TYPO3\CMS\F
      luid\ViewHelpers\RenderViewHelper::renderStatic#99 // TYPO3\CMS\Fluid\View\A
      bstractTemplateView->renderSection#121 // FluidCache_Standalone_template_fil
      e_Default_68554cf0b99e05cdda42bd603cc6ef0e7994ef65->section_040f06fd77409247
      8d450774f5ba30c5da78acc8#230 // TYPO3\CMS\Fluid\ViewHelpers\RenderViewHelper
      ::renderStatic#52 // TYPO3\CMS\Fluid\View\AbstractTemplateView->renderPartia
      l#119 // FluidCache_Standalone_partial_ColumnMain_78090c282afbeea8cb525c9660
      ffefb3b7c28391->render#288 // TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHe
      lper->initializeArgumentsAndRender#42 // TYPO3\CMS\Fluid\Core\ViewHelper\Abs
      tractViewHelper->callRenderMethod#249 // call_user_func_array#268 // TYPO3\C
      MS\Fluid\ViewHelpers\CObjectViewHelper->render# // TYPO3\CMS\Frontend\Conten
      tObject\ContentObjectRen...' (3658 chars)