You need to decrypt the ROM since it cannot find the ARM7 and/or ARM9 files. Use this utility to decrypt the ROM image. (Note: Put the ROM image into the same folder as eNDryptS Advanced 1.2)
DOWNLOAD LINK -> http://www.gbadat.altervista.org/tools.htm
But if you use No$GBA you won't have a problem with encrypted/decrypted roms, regardless.