[TYPO3-english] page type external url and error

[Katja Lampela]

Hi Peter and thank you!
Got the editing working and now I have a clue of what causes the error 
too, but have to examine it deeper.
Thanks!
- Katja

29.12.2015, 18.46, Peter Linzenkirchner kirjoitti:
> i dont know which extension is responsible for this error. But it is
> only a warning … you can try to change the error level in the install
> tool from development to production. This should prevent the
> exception. Of course this will not fix the error but perhaps the
> backend will work again.
>
> After that i would recommend to clone the installation to a dev
> server and examine all extensions.