Exception Thrown: java.io.IOException: There was a problem with reading your file
java.io.IOException: There was a problem with reading your file
	at Backend.loadGraphData(Backend.java:68)
	at WebApp.createWorkingFrontend(WebApp.java:116)
	at WebApp.handleSingleResponse(WebApp.java:175)
	at WebApp.main(WebApp.java:47)