Useful information in the reports module : xclass, ajax, cliKeys, eID, general status of the system (encoding, DB, php vars...), hooks, compare local and TER extension (diff), used content type, used plugins, ExtDirect... It can really help you during migration or new existing project (to have a global reports of the system).
Call to undefined method TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extRelPath()
Call in /Classes/Main.php line 33 should be replaced by either
use PathUtility::getAbsoluteWebPath()
or
->siteRelPath()
Call to undefined method TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extRelPath() Call in /Classes/Main.php line 33 should be replaced by either
use PathUtility::getAbsoluteWebPath() or ->siteRelPath()