It worked fine before until now.I had some glitchy textures so i downloaded world and try to see does it happend in singleplayer ,
and everthing work fine,i try again on server same error,so i try to upload downloaded world because i thought server world was corrupted.After it finished i try to start server,normal quene normal starting.... and then just saving and crash.Well it knows happending so i try again,same thing.Then i generated new world same thing,maybe it was then config folder so i deleted everthing in it.And again same thing.
SO i look crash report and it showed something red next to one library,never happened before.ok i reinstalled it again
I ran out optinos so ANYONE HELP! I played on server with my friend about 6 moths and this never happend.