Need Help!!!!!

Hello All! I Have Problem.

I changed the speed of knight to 500, closed all safe and at next day i'm getting this error.





I had tried with reinstalling mysql but without result.
Pls help me!

you know, it would be a lot better if the language was in English, and we could read the text

Oh sorry for the polish language, forgot to translate :/

Wyjatek nieobsluzony = unhandled exception


Inicjator typow zglosil wyjatek dla typu = The initiator types threw an exception for the type (maybe the right translation :/ )

nieprawidlowy format ciagu wejsciowego = "String was in incorrect format" or "Wrong format of the input"