With the error I get there can only be 3 possible issues
1. permissions are wrong
2. path is wrong
3. safe mode is on which means basically number 2 your path is wrong because the directory does not exist.
Your resolution would be to check and see which numeric directories do not exist under data which should be there like for instance cat 8 which is services should have folders under an 8 directory but yours does not exist http://www.omanforum.com/classifieds/data/8