[farse]

put at the beginning script this:

pawn Код:

BlockCmd[MAX_PLAYERIS];

Put after case 0:{ this

pawn Код:

BlockCmd[playerid]=1;

And at /back:

pawn Код:

BlockCmd[playerid]=0;
ResetPlayerWeapon(playerid);

At OnPlayerDeath:

pawn Код:

BlockCmd[playerid]=0;

And at OnPlayerCommandText:

pawn Код:

if(BlockCmd[playerid] && strcmp(cmdtext, "/back", true) != 0)return SendClientMessage(playerid,0xFF0000AA, "[ERROR] You can not leave this dm! Uses: /back");