Cannot import all PS1 games

[Former user]

Greetings,

I just purchased the premium version of Launch Box. I've had no problems until I tried importing my PS1 collection. When I try to import games one at a time, there is no issue. However if I try to load the entire folder of ISOs (located in sub folders for each game), the importing wizard cannot find anything at all. Is there a way around this?

My email is [e-mail]

Thanks!