[TYPO3-calendar] Cal indexer broken upon install

[Philipp Gampe]

Hi Michael Pas,

Michael Pas wrote:

> When returning to the extension manager it will throw the following
> session error (image 3):
> 
> 'Validating the security token of this form has failed. Please reload the
> form and submit it again.'

The link is not generated via the API. Please have a look at:
BackendUtility::getModuleUrl()

The wiki page linked in the exception message provides more information.

Best regards
-- 
Philipp Gampe – PGP-Key 0AD96065 – TYPO3 UG Bonn/Köln
Documentation – Active contributor TYPO3 CMS
TYPO3 .... inspiring people to share!