Dear,
I have OS Ticket version 1.12, MySQL version 5.5.62, and PHP version 7.0.33, there is a problem with some users, they can log in to the portal, fill out the entire ticket form, and when they press the " Create Ticket ", an error page is displayed, with the information:
"Forbidden
You do not have permission to access /Portal/open.php on this server.
Additionally, a 403 Forbidden error was encountered while attempting to use an ErrorDocument to handle the request. "
The users who experienced the error, had problems making the first access, but today they usually access.