unable to back up realm onto ps4

hi im unable to backup my realm on to ps4, if uninstelled minecraft, deleted all saves ( ps4 has loads of storage ) it keeps stopping at 661MB out of 1.1GB im woundering if the realm has become currupt at your end as looking at the screen shots ill send in minutes the realm has jumped a massive anmout of MB, sorry unable to upload a video to show it stopping at 661MB