Originally Posted by Synaptic Flow
It was 30MB even though I had way more than that free.
OK, what that means is that you have corrupted files on the player. This is not a Rockbox-specific issue, many users have experienced it with the Sansa firmware. What you need to do is format the player, and re-load it.
Clip Zip 20GB, iPod Nano 2G 4GB, iPod 5.5G 80GB, e280 8GB, Fuze+16GB<-All RB'd Clip Sport 8GB, Cowon D2+16GB+4GB,Sony S639
iPod Touch 4G 32GB and Touch 2G 8GB, Nexus 7 32GB(4.4.2 KitKat) LG Optimus G Pro32GB+64GB(4.1.2 JB).