I am in the process of upgrading a site in Typo3 from the version included in Debian Wheezy, that is version 4.5.19, to the LTS-version 6.2.12. I have gone through most of the process and backend already works, but in the frontend I have only an error-message and don't know how to fix this currently. The message is:

PHP Catchable Fatal Error: Argument 1 passed to TYPO3\CMS\Extbase\Persistence\Repository::__construct() must implement interface TYPO3\CMS\Extbase\Object\ObjectManagerInterface, none given, called in /usr/share/typo3/typo3-6.2/typo3/sysext/core/Classes/Utility/GeneralUtility.php on line 4432 and defined in /usr/share/typo3/typo3-6.2/typo3/sysext/extbase/Classes/Persistence/Repository.php line 75

More information regarding this error might be available online.

The link leads me here, but that isn't really of help. Can anyone provide an idea what to check/change?


OK, after some tries I found the reason. I was going through the extension-manager and deactivating extensions and it turned out a self-programmed extension was producing this error. We still look into this, but the general recommendation ist to deactivate extensions and try again until you found the troublemaker.

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