1.3.9d Error Messages

[sweetikins]

Hello, A friend and I just updated her zen cart store, we did it via the script available by our webhost, which is fine all seems to be working fine for a bit then we get this error, can someone please advice how to fix please :)

Error #1

 Warning: Division by zero in private/includes/classes/split_page_results.php on line 39

1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-0, MAX_DISPLAY_RESTRICT_ENTRIES' at line 1
in:
[select * from coupon_restrict where coupon_id = '369' and category_id != '0' limit -0, MAX_DISPLAY_RESTRICT_ENTRIES]

Get than with coupon restrict. Not sure if you need these details below.

MySQL version 5.1.47-community-log

Thanks in advance