This morning i was trying to import the Sega AI Computer recently acquired by some “SMS Power” funs and preservation community (more to read here: https://www.smspower.org/SegaAI/Index#Introduction).
This Platform runs under MAME as the guys from the community in collaboration with the MAME developers dump the machine and the roms into MAME for preservation.
I manage to run the system in the standalone MAME successfully but i want to import them into LaunchBox too.
The System has about 33 rom (.zip) files and 2 Bios (at the time of this post)
So, i drug n drop the all the rom (.zip) files on the LaunchBox window, choose "Import ROM files", did not check any checkboxes for downloading media or metadata, check the "Force Importing Duplicate Games" box, but 0 games imported!
I also tried to use the "Force using MAME metadata..." option but also failed (as expected).
The only way i was manage to import the files is by doing it completely manually, one-by-one using the ‘RClick > Add’ method and fill in the “ROM file” and “Title Metadata” boxes.
I have to mention that i had experience this "behavior" using the import wizard some times in the past but as i have a fairly large collection i assumed the problem lied in the duplicate names or the duplicate "Launchbox Database IDs" that some games share or something like that, but i don’t know what’s wrong in this situation.
I will try as the next step to use the JoeViking245s "MAME Sofware List Importer":
and report back.