iam add diagramUrl from local project but dont load and dnot allow add digram
var diagramUrl = '/diagram.bpmn';
// modeler instance
var bpmnModeler = new BpmnJS
keyboard: {
bindTo: window
}
});
{
XML Parsing Error: no root element found Location: http://localhost:40275/diagram.bpmn
collaboration.bpmn Line Number 1, Column 1: