[TYPO3-dev] rtehtmlarea problems after update

[Steffen Kamper]

Hi,

i did the update of rtehtmlarea (typo3/sysext) - now i can't insert a link, 
the error says:

Error in init.php: Path to TYPO3 main dir could not be resolved correctly.

any quick advice for this problem ?

thx, vg  Steffen