FreeFileSync Forum

neither drive is full and Ive already set permissions

Im just trying to do a basic coy of one external hard drive to the other and I keep getting this message:

Cannot set directory locks for the following folders:

Cannot write file "/Volumes/Ace backup/sync.ffs_lock".
ENOSPC: No space left on device [write]

Cannot write file "/Volumes/Kyd Ace ssd ...