: Delete the specific section of track or the station where the error first appeared, then rebuild it. This often clears the cached "RJ" error from the engine's memory.

: The pathing line will disappear exactly where the error exists. This usually indicates a missing rail segment, a misplaced signal, or a station placed on a curve where the train cannot physically dock. Step 3: Verify Station and Locomotive Orientation

: Close the game entirely—don't just minimize it. On Android or iOS, swipe it away from your active tasks and relaunch.