Nevermind, something happened to the settings so I had to load it with defaults and now its working

http://releases> .pocketheaven.com/dats/PocketHeaven_NDS-Numbered_Release_List_Roms(2275)[CM].zip
>
> When trying to load that it crashes every time. I am using the newest ClrMAME
> and I also tried running the DAT through listtool to reformat it but that did
> not help.
>