Update MovementBehavior.java

forge-gui-mobile/src/forge/adventure/util/pathfinding/MovementBehavior.java

@@ -47,6 +47,7 @@ public class MovementBehavior {
             }
             else {
                 System.err.println("Navigation error: waypoint could not be parsed or does not exist: " + destination);
+                destination = "";
             }
         }