Tuan Pham Ngoc wrote: Hello Nemis
Please go to Extensions -> Plugins, check to see if the plugin Events Booking - Offline Payment Handle is enabled?
If it's enabled, please click on that plugin to edit, set Number Days To Cancel Registration parameter to No and the issue won't happen again
Tuan
So if I understand correct, this problem is also related with this topic?
www.joomdonation.com/forum/events-bookin...eposit-reminder.html
So I think my problem is solved.