Problems with MySQL ussers!

Hey guys, i'm prety new here i wanted to start a normal dayz project myself. Not gona write much just to the problem.
My friend got me a website for the community and now when i run dayz server files wich is made by pwnozOr it turns on and when someone connects to server it crashes, saying that mysql password is incorect. I changed ports to, how can i fix it anyone? :(
P.S Sory for my bad english.