To get the software working, you must place the base.pbp file into the folder located inside your directory. Standard Path: PSX2PSP_v1.4.2/Files/base.pbp Where to Find It
Since it is often missing from official distributions, users typically have to find it separately: psx2psp base.pbp
If you attempt to run a conversion and encounter a popup stating the file is missing, follow these steps to resolve it: To get the software working, you must place the base