So again, to change to version 1.8.2:
1) Delete @DayZ from client and server,
2) Delete @hive from server,
3) Delete MPMissions from server,
4) Copy @DayZ 1.8.2 to server and client,
5) Copy @hive 1.8.2 to server
6) Copy MPmissions 1.8.2 to server,
7) Copy mission file to MPmissions in server...