Failed to open map file. This is most likely because the map was saved with a newer version of the engine.

Community Community & Industry Discussion
1

Hi,

I upgraded to 5.4.3 and one of my maps throws this error.
“Failed to open map file. This is most likely because the map was saved with a newer version of the engine.”

No, they were all made with 5.4.2.

Is it possible to reinstall 5.4.2 somehow?

Thank you!
-Chilton

2

Hi Chilton,

You can try reinstalling 5.4.2 to see if it resolves the issue. Typically, you can download previous versions from the software’s official website or repository. If that doesn’t work, checking for any updates or patches for 5.4.3 might be helpful.

3

Hi,

The reason I’m asking where to find 5.4.2 is that it’s not readily available at the normal places, like in the Epic Launcher.

And I’ve had numerous issues in the past with building UE from source, not working the same as the supposedly same version built by Epic.

So I’m asking if you know where I can find the actual shipping version of 5.4.2.

Thank you,
-Chilton