upgrade error

dont know what that is called in english
its at 2nd stage but it says it can upgrade 60 times which shouldnt be.
and that -200 seems to ba a bug

We are sorry for the issue.
Could you please contact our support team via the following email address?

shopsupport@zigzagame.net

You can write it in Korean, try to explain as much as you can recall.

Thank you very much!