TYPO3 Exception 1588095935¶
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#1588095935 TYPO3\CMS\Core\Http\Security\MissingReferrerException Missing referrer for /main
This error occurs when logging into the backend or install tool and is triggered by a failed check of a referer header.
The reason for this is the usage of an HTTP proxy, for example a reverse proxy to an encapsulated system without sufficient header delegation.