I have now solved this but still do not now how it occured. Looking through the assignment submissions table there seemed to be multiple submissions for pupils in these groups but with no files attached. This was causing the strange behavior. I searched for all occurances and then deleted them from the table manually and then all seemed to be OK again. How this actually happend I am at a loss. Any explanations greatly recieved so I can try and avoid it in the furtre.
Simon
Assignment
Missing assignments and Submissions shown per page?
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