help :o
Can you give us some more details like your SMF version and the error you are recieving?
SMF 1.0.7 from smfforfree, and he can only do is unread and print can't reply or post in general disscusion, but i check everything i can't find the problem its Http://xzone.smfforfree.com
Check the groups that he is in and make sure he has the right permissions.