[TYPO3-seminars] plugin.tx_seminars.attendancesPID - configuration check failure (Bug?)

[Kai Osthoff]

Hi Oliver!

>> Just update our seminars on our Webpage from seminars 0.9.1 ->  0.9.2.
>> Now we get the configuration-check error for
>> plugin.tx_seminars.attendancesPID

> Have you checked with the TS object browser that that variable actually
> is set on that particular page?

No - it is not set. But why? In our main template we have within setup 
defined:

plugin.tx_seminars.attendancesPID = 138

Greetings, Kai