some CDLC not showing up

[Augusto98]

Hello guys, i'm a user of this forum since 2017, but that's my very first topic.
I play Rocksmith since 2016 so i'm used to mods etc. but i have recently noticed a problem, some of my CDLC(converted from pc to mac, yes i'm a mac user) doesn't show up, i mean, there are some that some times shows and some times not, but there are others that doesnt show at all.

Moreover i cant play cdlc if i'm in steam online mode, they freeze after tuning, but if i am in offline mod i can play them, but as i said some doesn't show.But if i'm in online mode, the game loads more of the cdlc i can't see in my list when im normally playing in offline mode.

I hope it makes sense