You mean you added an unsupported and incompatible repository?
Thats also not going to help.
If you were ever going to do such a thing on manjaro it would have to be on Unstable branch. Otherwise it would almost certainly break things.
It might break things there too … but on branches other than Unstable the packages would not line up at all… you would be in a partial upgrade state.
Anyhoo … besides all that … maybe it is the same as the other saved sessions, as I already noted above.
And on other topics: