- I play Mortal Kombat Anthology and I thought it's because some stages don't have

[BGdef]
stages = stages/name.sff
debug = 0

in the def file have just stages = stages\name.sff or just no directory is the reason why when you lose a match and after Continue and 'Choose your fighter' it doesnt start the match vs those u lost but exists mugen and says 'cant load stage'. This doesnt happen only to few stages like Wushi Training, Deadpool Entrance. Why is that? Can it be fixed?
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Also smth else - I managed to add some chars like from SF or other anime ones, as well as Spiderman and Carnage to work on MKA but the problem is this - the SF (or similar) chars and the Marvel ones when they cast some spells the Shao Kahn Pit from Mk3 appears and covers almost the entire screen, I can only see their legs moving or when they fall. When round 2 starts it's ok until some of them casts a spell and again the same pit3 appears and covers the stage with only their feet visible. How can I just fix those bugs? This is more annoying than the ' cant load stage' one.