I finally managed to locate and fi it! And the error was so dumb, so incredibly stupid that I almost feel ashamde :p
Turns out I had a second player instance on the layout. I dropped it ther accidentally, behind all layers so it was invisible, and that caused the error. I found and deleted it and now everything works as it should.
Thanks for the help, ideas and al that. Thanks a lot
If you only new how many sleepless nights I had because of the same kinds of errors. I was going to suggest the same thing because it happened to me once with my game.