I got it working! I saved this game until last because I was getting some errors too, so I've just had a play about copying your music from one folder and put it in the bigger pile of sounds in the rtp.zip and now it starts up properly ＼(＾▽＾)／ woop!
"Now I can go outside and eat nuts in the woods!"
I always wanted to own an ice cream truck (っˆڡˆς) This was a fun Final Fantasy type RPG, I like how many options there were, great job ʕ•ᴥ•ʔ