Cannot read property 'removeChild' of null
at remove (dom.js?fe7b:162)
at Diagram.eval (diagram.js?19be:7545)
at step (diagram.js?19be:50)
at Object.eval [as next] (diagram.js?19be:31)
at eval (diagram.js?19be:25)
at new Promise (<anonymous>)
at __awaiter (diagram.js?19be:21)
at Droppable.droppable.drop (diagram.js?19be:7408)
at Observer.notify (observer.js?811a:99)
at Droppable.Base.trigger (base.js?3923:181)
This is pointing to these lines in diagram.js
case 5:
selectedSymbols = 'selectedSymbols';
if (this.droppable[selectedSymbols]) {
remove(this.droppable[selectedSymbols]);
}
return [2 /*return*/];
When I am dragging an element from symbol palette to diagram, In some cases I am facing this error
and the symbol remains on the dom and I am not able to drag that symbol again