It's really good to have and develop such plugins. It was possible for Turkish customers to experience such payment problems. However, it has now been resolved thanks to paytr.
I have been waiting such an add-on for a long time. Thank you. Btw you can fix the flag thing. We should be able to set a default flag in the admin interface.
We kindly ask you to share detailed information about the problem you have encountered with tekops@paytr.com e-mail address. By providing an examination, the problem of the error will be fixed and the end will be published again with the current version.