So since no one already write tutorial how to disable battleye protection error message for Tibia 12+(should work on 11+ but I don't guarantee it) I decided to write one myself:
Open Client.exe in any Hex Editor that can search for Hex Bytes and search for: 84 C0 74 04 C6 47 05 01
if Hex Editor finds these bytes make sure it don't find any more results(if it finds more you might want to
Disable Battleye Error 12.20
Open Client.exe in any Hex Editor that can search for Hex Bytes and search for: 84 C0 74 04 C6 47 05 01
if Hex Editor finds these bytes make sure it don't find any more results(if it finds more you might want to
try-undo if error-repeat method), if Hex Editor don't find anything then this tutorial...Disable Battleye Error 12.20