Replacing File Error

I have been modding Borderlands 2 and when I go to Contents and try to replace the SaveGame.sav with my newly modded file I get this error

“Object reference not set to an instance of an object.”

I am wondering if there is a fix for this and what to do.

Thank You!

I am modding files for Xbox 360 on Windows 10 64x

It’s possible that the newly modded version became corrupted. I would try modding it again or even try with a different save to see if it still happens. I use the Gibbed BL2 editor often so I know what you’re attempting to do. You should also try running Horizon as administrator.

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Did you unpack the .dat file. there is a .dat unpacker that lets you edit the file with out corupting the file then you can repack the file and re-insert it