Error ! help

My Script !


_mvPrIndicator.ScaleL=1000;
/f********/
function timeFlies()
{
_mvPrIndicator.VCur=getBytesLoaded();
if(_mvPrIndicator.VCur>=_mvPrIndicator.VMax)
gotoAndStop(2);
}


My Error :

Error Symbol=PrIndicator, layer=Layer 1, frame=1:Line 33: Type mismatch in assignment statement: found Number where Boolean is required.
_visible=1;

Why ?