ROM Hack HELP! Smash bros. is crashing!

[AdenTheThird]

Sorry if this is in the wrong place, but here goes,

I got Smash Bros. off of FreeShop a couple months back and it's having random problems all of a sudden. I do classic mode, and right after the second fight, it will either show the 'exception has occurred' screen, freeze, or go on. If it goes on, while waiting for fight 3, the smash icon will be spinning around and it will never load. Is the save data corrupted? Please help because I love Smash ):

 

[AdenTheThird]

UPDATE: I've tried re-installing Smash 4 different times of of four different sources, after backing up my save with Checkpoint. The brand new game, with no data on it, does the same thing as before. This leads me to believe that the problem could lie in the game installation. If I got a cia of it or an actual game card, could I play it with no trouble? Is the save data corrupted too? Please help!

 

[MrLucariox]

Is this happening in other modes too?

 

[Namesnipe]

Sorry if this is in the wrong place, but here goes,

I got Smash Bros. off of FreeShop a couple months back and it's having random problems all of a sudden. I do classic mode, and right after the second fight, it will either show the 'exception has occurred' screen, freeze, or go on. If it goes on, while waiting for fight 3, the smash icon will be spinning around and it will never load. Is the save data corrupted? Please help because I love Smash ):

If you love it then why don't you buy it?

 

[AdenTheThird]

I'm SO sorry everyone. The reason it was crashing was because I had mistakenly enabled SaltySD on Smash Selector without any mods

FIXED AND THANK YOU FOR YOUR TIME!