Answer|Solution:
The line of code in the 403.php logging file deals with Security Log user agents that you have chosen to ignore. Most likely what has happened is that a user agent that you added in the “Add User Agents|Bots to Ignore|Not Log” option setting on the Security Log page has a: / or ( or ) code character in the user agent name. User agents should not include any code characters.
Go to the BPS Pro Logs|Info menu > Security Log page
Click the Remove|Allow button, which will display all user agents that you have chosen to ignore.
Delete/Remove any user agents that contain any code characters.
Click the Remove button to delete any user agents that contain code characters.
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