vodaphone.de grab not works

VODAFONE.DE -- chan. (xmltv_id=Vodafone Infochannel) -- mode Incremental
[Error ] Unable to update channel Vodafone Infochannel
[Critical] Generic syntax exception:
[Critical] message:
[Error ] no index page data received from Vodafone Infochannel
[Error ] unable to update channel, try again later
[ Info ] No guide data to restore