MySQL workbench has encountered a p‌r‌o‌b‌l‌e‌m Parameter is not valid

Question

MySQL workbench was working properly till last login(yesterday). When I tried to open an existing connection(today), this error was popped up. I was trying to convert tables from MSSQL to MySQL yesterday.

Detailed error message

MySQL workbench has encountered a problem Parameter is not valid

We are sorry for the inconvenience but an unexpected exception has been raised by one of the MySQL Workbench modules. In order to fix this issue we would kindly ask you to file a bug report. You can do that by pressing the [Report Bug] button below.

Please make sure to include a detailed description of your actions that lead to this problem.

Thanks a lot for taking the time to help us improve MySQL Workbench!

The MySQL Workbench Team

Answer 1

For future reference, I had the same problem out of the blue with Workbench on Windows 7 so I re-ran MySQL Workbench installer, selected Repair and everything went back to normal.

I guess some update messed up the install.