JASS Problems With w3mmd

im trying to get this vjass to spit out values for my ghost, but aparentely it doesnt like them for some reason and does a major crash at the end. can someone help me with these i really have no idea what im doing with JASS.


Code:

    call MMD_UpdateValueInt("deaths", ConvertedPlayer(GetForLoopIndexB()), MMD_OP_SET, udg_CurrentLevel)
    call MMD_UpdateValueInt("assists", ConvertedPlayer(GetForLoopIndexB()), MMD_OP_SET, GetPlayerState(ConvertedPlayer(GetForLoopIndexB()), PLAYER_STATE_RESOURCE_GOLD))
    call MMD_UpdateValueInt("kills", ConvertedPlayer(GetForLoopIndexB()), MMD_OP_SET, udg_KillStats[GetForLoopIndexB()])