How to add your own slider sounds

[apex964]

Hey, i have a weird problem. Everything was working fine when i first put program on my 6800. But after like 2mins of setting the slide in & out sound the slide out sound has reverted to the "beep" i call it. It still says my sound file name but for some reason it doesnt read it when actually sliding out. It will play if i tap play. Any suggestions to solve this problem? Thx
P.S. It is any file set into the "in" selection. Its not reading any file i put into it.