array(4 items)
   caller => 'TYPO3\CMS\Core\Database\DatabaseConnection::exec_DELETEquery' (60 chars)
   ERROR => 'Deadlock found when trying to get lock; try restarting transaction' (66 chars)
   lastBuiltQuery => 'DELETE FROM tx_realurl_urldata WHERE rootpage_id=1 AND expire>0 AND speaking
      _url='en/references/?cHash=ddef6bcb515253be04e3141cd5c359bc&tx_diureferences
      _diureferenceslist%5BoverwriteDemand%5D%5BaktDemandSolutions%5D%5B0%5D=215&t
      x_diureferences_diureferenceslist%5BoverwriteDemand%5D%5BaktDemandSolutions%
      5D%5B1%5D=27&tx_diureferences_diureferenceslist%5BoverwriteDemand%5D%5BaktDe
      mandSolutions%5D%5B2%5D=26&tx_diureferences_diureferenceslist%5BoverwriteDem
      and%5D%5BaktDemand%5D%5B0%5D=21&tx_diureferences_diureferenceslist%5Boverwri
      teDemand%5D%5BresetPageSolutions%5D=27&tx_diureferences_diureferenceslist%5B
      overwriteDemand%5D%5BsolutionsAndProductsPages%5D=27' AND request_variables 
      LIKE '%"L":"1"%'' (700 chars)
   debug_backtrace => 'require(vendor/typo3/cms/typo3/sysext/frontend/Resources/Private/Php/fronten
      d.php),vendor/typo3/cms/index.php#3 // {closure}#24 // TYPO3\CMS\Frontend\Ht
      tp\Application->run#23 // TYPO3\CMS\Core\Core\Bootstrap->handleRequest#79 //
       TYPO3\CMS\Frontend\Http\RequestHandler->handleRequest#319 // TYPO3\CMS\Fron
      tend\Page\PageGenerator::renderContent#211 // TYPO3\CMS\Frontend\ContentObje
      ct\ContentObjectRenderer->cObjGet#195 // TYPO3\CMS\Frontend\ContentObject\Co
      ntentObjectRenderer->cObjGetSingle#682 // TYPO3\CMS\Frontend\ContentObject\C
      ontentObjectRenderer->render#736 // TYPO3\CMS\Frontend\ContentObject\FluidTe
      mplateContentObject->render#820 // TYPO3\CMS\Frontend\ContentObject\FluidTem
      plateContentObject->renderFluidView#106 // TYPO3Fluid\Fluid\View\AbstractTem
      plateView->render#340 // layout_Main_html_54003aff8565267a23403ebe5f20cee92c
      0e739d->render#201 // TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper::r
      enderStatic#54 // TYPO3Fluid\Fluid\Core\ViewHelper\ViewHelperInvoker->invoke
      #522 // TYPO3Fluid\Fluid\Core\ViewHelper\AbstractViewHelper->initializeArgum
      entsAndRender#79 // TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper->call
      RenderMethod#250 // call_user_func_array#123 // TYPO3\CMS\Fluid\ViewHelpers\
      CObjectViewHelper->render# // TYPO3\CMS\Frontend\ContentObject\ContentObject
      Renderer->cObjGetSingle#154 // TYPO3\CMS\Frontend\ContentObject\ContentObjec
      tRenderer->render#736 // TYPO3\CMS\Frontend\ContentObject\ContentObjectArray
      ContentObject->render#820 // TYPO3\CMS\Frontend\ContentObject\ContentObjectR
      enderer->cObjGet#41 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRendere
      r->cObjGetSingle#682 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRender
      er->render#736 // TYPO3\CMS\Frontend\ContentObject\ContentObjectArrayContent
      Object->render#820 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer
      ->cObjGet#41 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObj
      GetSingle#682 // TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->ren
      der#736 // TYPO3\CMS\Fro...' (3156 chars)