I found a solution... Just add...
var myIS= myItem.parent.insertionPoints[0];
var myImportedAsset = myAsset.placeAsset(myIS);
myItem.remove();
I found a solution... Just add...
var myIS= myItem.parent.insertionPoints[0];
var myImportedAsset = myAsset.placeAsset(myIS);
myItem.remove();