USB saved On Laptop , Played On Prime 4 will not read on any Pioneer , Help?

Why wont the USB Stick Kingston 128 GB DT50 play on Pioneer…nothing ?? Ive saved music to computer , then transfer to stick . Plays in the Prime 4 but wont be read in Pioneer . Sane goes in reverse for my friends sticks & music . Theres plays in pioneer , wont play in Denon . Ideas ? Fixes please ?