[icra]

This is happening because you don't reset current player exp while leveling up.

pawn Код:

if(pInfo[playerid][pExp] > newlevelxp[playerid])
        {
            SendClientMessage(playerid, -1, "this means you have leveled up");
            pInfo[playerid][pLevel]++;
            pInfo[playerid][pExp] = 0;
            newlevelxp[playerid] = newlevelxp[playerid] * pInfo[playerid][pLevel];
            return 0;
        }