Quest completed but can't finisch

I've completed the quest food donation. But can not earn the reward. See the screenshot.

http://img535.imageshack.us/img535/8877/settlerso.jpg

You need to complete or cancel yesterday's quest first.

Quote:

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Originally Posted by Tierarzt

You need to complete or cancel yesterday's quest first.

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Tierarzt I seem to be having a problem where I complete quests, receive no rewards and the quests disappear from my Quest book. Do you have any ideas on what's going on?