[ERROR] Adding an event listener to a proxy that isn't already in the context

gistfile1.js

// this sets the background color of the master UIView (when there are no windows/tab groups on it)
Titanium.UI.setBackgroundColor('#ccc');

var win = Ti.UI.createWindow({
    modal: false
});

var cView = Ti.UI.createScrollView({
    layout:'horizontal',
    height: 35,
    contentHeight: 35,
    contentWidth: Ti.Platform.displayCaps.platformWidth,
    left: 0,
    right: 0,
    top: 0,
    backgroundColor: '#c0c'
});

for (var i=0; i < 1; i++) {
    var tLabel = Ti.UI.createLabel({
        touchEnabled: false,
        text:'foo '+i,
        backgroundColor: '#cde',
        borderColor: '#abc',
        borderWidth: 1,
        borderRadius: 5,
        left:5,
        top: 1,
        width:'auto',
        height:25,
        font: {
            fontSize: 13
        },
        textAlign: 'center'
    });
    //Once label created, we can + to the auto width to pad things properly.
    tLabel.width = tLabel.width+10;
    cView.add(tLabel);
};

var ta = Ti.UI.createTextArea({
    width: Ti.Platform.displayCaps.platformWidth,
    height: 200, 
    top: 0,
    left: 0,
    font: {
        fontSize: 18,
        fontWeight: 'bold'
    }, 
    zIndex: 1,
    keyboardToolbar: [cView]
    // appearance : Titanium.UI.KEYBOARD_APPEARANCE_ALERT 
    
});

win.add(ta);
// win.add(overlay);
win.open();