iViewer5 Crash on CF.stopSound

[DIY Jeff]

I am still learning and got to a point where I wanted to use CF.playSound and CF.stopSound.  I defined a sound (mp3 file) and CF.playSound works as expected.  However, when I call CF.stopSound, iViewer totally crashes.

My calls are:

CF.playSound('Alarm05');

CF.stopSound('Alarm05');

both are defined on 2 buttons as Basic Actions Javascript.

I am running iViewer on an iPad.

Any ideas?