if (typeof isc !== "undefined" && isc.Canvas && isc.Canvas._BIG_Z_INDEX && isc.Canvas._nextZIndex){
    var open_test_window = setInterval(() => {
        let max_index = isc.Canvas._BIG_Z_INDEX;
        let next_index = isc.Canvas._nextZIndex;
        if (max_index > next_index){
            OB.Layout.ViewManager.openView('_143');
            console.log("_BIG_Z_INDEX:" + max_index + "\t_nextZIndex:" + next_index);
        }else{
            clearTimeout(open_test_window);
            console.log("nextZIndex is bigger than _BIG_Z_INDEX, popup grey screen issue should be reproducible now.")
        }
    }, 2000)
}else{
    console.log("This is not an Openbravo environment")
}