Question for level changing

I’m totally new here, so i have made a main menu and a “game” map and it’s working fine when i hit play.
When i hit launch, the “start game” button of the main menu fails to take me to the other map, and kind of loads itself again.Other main menu buttons work fine.
Now if i delete the nodes and just re-apply them, it will work fine untill i save and restart the engine, where i have to do it again if i want it to work, any help?

This is the only warning i get.

LogPlayLevel: Warning: [2021.10.15-16.32.13:183][328]LogNet: Warning: Travel Failure: [InvalidURL]: Invalid URL: /Game/ThirdPersonBP/Maps/MainMenumap

LogPlayLevel: Warning: [2021.10.15-16.32.13:183][328]LogNet: Warning: Travel Failure: [ClientTravelFailure]: Invalid URL: /Game/ThirdPersonBP/Maps/MainMenumap

Open Level node is the general go to.