Server Error

I encountered this error, recently, when i tried to start the ManagerSercvre exe. it was working fine before. My version is 18.11.66.

Please advise me how i can fix this issue.

Manager Server error.pdf (88.4 KB)

It is not an error. It is an instruction. Read the setup Guides:

You should also update your software. You are literally thousands of versions out of date.