Failed to open map file. This is most likely because the map was saved with a newer version of the engine. 4.6.1

why is this happening how can i fix this?

Hey Danzo-

I’m going to need a bit more information fro you to before I begin looking into this issue. Are you working with the source version of the engine from GitHub or are you using the binary version from the Launcher? Are you receiving this error when trying to open a certain project or does it only happen for a specific level in a project?

Any additional information would be greatly appreciated.


Hey ! thanks for replying i’m using the binary and no it had happened like pther 3 times and i just end up deleting the map and restarting so is kind of frustrating :confused: but thanks for replying, do you need any other information? Other than that the engine works awesome!

Which version of the editor was the project created with and which version are you working in now? Can you reproduce this problem in a new project or does it only occur in the one you’re working in? The more information you can provide to describe the issue the easier it will be to determine what is causing it.

I’ve only used 4.6.1 thats the only one i have and it had happen when i create a new one, older projects(also with 4.6.1) work good

I’m having difficulty reproducing this error on my machine. After creating a new project I add a second level to it and save that level. I can then open the first level again (or switch back to the second) with no error. Are there other steps that I’m missing that causes the error for you? Do you get this error when creating a new level or opening a saved level?

Hi Danzo_b17,

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will offer further assistance.

Thank you.

Guys I am having this problem as well. I have not even updated the version, I am on the latest version in fact! Don’t tell me my level is gone? :frowning:

Hey Luke-

Can you provide any information about your issue? When did this error start to occur for you? Does this happen with a specific level? Let me know if there is any additional information you can provide.