should've added this check

src/main/java/org/fenix/llanfair/Actions.java

@@ -150,7 +150,8 @@ final class Actions {
 			if ( confirmOverwrite() ) {
 				// these might not really be necessary, but at this point just trying to be sure a running timer isn't
 				// sometimes keeping the app open somehow ??
-				run.stop();
+				if (run.getState() == Run.State.ONGOING)
+					run.stop();
 				run.reset();
 
 				// exit the app