Error: 4003 routing service failed with status 404 not found

[SteveJG]

@Cindy_Memije Open Route Service fails (error 404) when

• the latitude and or longitude are not correct values. It can happen when you have issues with your LocationSensor that are providing errors because the LocationChanged event has not fired prior to your Destination request RequestDIretions and you use the LS to provide the latitude and longitude. Or you may have coding errors.

See Maps documentation.
Use DoIt to show the StartLocation and EndLocation you are using in your Navigate.Click button.

• either the StartLocation or EndLocation is not near a road in the ORS database.

• the StartLocation and EndLocation a separated by a body of water with no roads connecting them. An example might be a location in North America an a location in Europe or one on a small island to the mainland.

Have you seen this example?

HOW TO: Use the Navigate control

Simple Navigate by SteveJG [NavigateRose2] This tutorial is an example of one way to use the Navigate tool to build a Simple Navigate app. The instructions are intended for intermediate or advanced users of App Inventor 2. There are no detailed instructions. Provide similar code in your app. The Blocks are the documentation. Navigate Control The Navigate control provides ‘turn by turn’ directions used to get between two locations. The routing output is similar to directions provided by the G…