[TYPO3-project-4-3] Loocked out from BE after update!

[Rupert Germann]

Steffen Kamper schrieb:
> the text comes from index.php if no loginformhook is done.
> 
> It looks like sv isn't loaded in your case brings the standard auth 
> service.

then he would see the error message "TYPO3 Fatal Error: Extension key 
"sv" was NOT loaded! (t3lib_extMgm::extPath)"

seems that something resets the loginform hook.

search for "loginFormHook" in localconf.php and all ext_localconf.php

greets
rupert