Problem with installs after downgrading

I downgraded my old 3DS from 10.6 to 9.2, reinstalled Ninjhax for 9.2, ran PastaCFW, then ran FBl and tried installing another program like it.
However, upon doing so I was met with the following error:


So I tried disabling FirmLaunch in...

Problem with installs after downgrading