This MOULa Forum (Read Only) link lists common problems in the game and how to solve them: https://mystonline.com/forums/viewtopic.php?f=40&t=19424
You may also want to connect with the MOULa community, including the developers. The community developers are the ones now working on the game, and may be able to help with any bugs or issues which are *not* related to Account Creation or Account Upgrading/Reactivation.
To connect with them, please join the Official Cyan Chat Discord and mention your issue in the "moula-tech-support" channel there.
Here is an invite link to get you started, after you have either created a free Discord account, or logged in to your existing Discord account: https://discord.com/invite/xCpJsDH