Sidemenu goes into infinite loop

I have created dynamic sidemenu but sidemenu goes in an infinite loop and sidemenu blinking.

Note : This issue happens when I use multicombo in the form inside sidemenu.

code :
view: “sidemenu-win”,
position: function (position) {
let toolbar = this.$scope.getParentView().getRoot().queryView({ view: “toolbar” });
var toolbarHeight = toolbar.$height;
position.top = toolbarHeight;
position.width = 500;
position.left = position.maxWidth - position.width;
position.height = position.maxHeight - toolbarHeight;
},

Issue solved. i have used tagMode: false.