You can call the Mechanic only if you have already died once. There are a lot of non-solid areas in North Yankton, but if you die, you will be spawned near the last location. Head over the floating map to explore North Yankton (your friends must do the same procedure in order to visit the town with you). If you see some textures floating over the sea, then you have successfully triggered the glitch. Once online, take a helicopter and go to the south-east part of the map (near the Los Santos Docks). When you get out of the Bobcat Security building, accept the invite and go online. but I receive error, when Loading your xml file 'Error: Map failed to Load, Object refference not set to an instance of an object.bla bla bla. You also need a friend in GTA Online - preferibly in an Invite only session - who invites you to his session. So, when I get to North Yankton, I press F7 Map Editor and Load airyank.xml file. I wander is there any way that we can change the coordinates for North Yankton Location, for exmple I. In order to trigger this glitch, replay the Prologue mission in the single player of GTA 5. This video is a walkthrough / guide on how to reach North Yankton with your friends in multiplayer. Thanks to a glitch found by RPearsonx, you can explore Ludendorff - the small town in the state of North Yankton featured in the prologue of GTA V - in GTA Online.
How to get to North Yankton and explore it freely: