new packageinfo[128];
    for(new i = 0; i < sizeof(hiddenpackage); i++)
    {
    ** format(packageinfo, sizeof(packageinfo), "AccountInfo[playerid][aHiddenPackage%d]",hiddenpackage[i][ID]);
    if(packageinfo == 0) **
    {
    CreateDynamicPickup(1279, 19, hiddenpackage[i][loadupzone_x],hiddenpackage[i][loadupzone_y],hiddenpackage[i][loadupzone_z], 0, 0, playerid, 100);
    }
    }

array must be indexed (variable "packageinfo")