ERROR WHILE RESTORING /DATA! gs4 i9500 5.0.1 with cwm Please HELP :(

Restoring data...
Error while restoring /data!
tar: write error: Read-only file system
rList-com.android.setting. AppPicker
rList-com.android.setting.MediaFormatsd
rList-com.android.setting.ConfirmLockPasswor

sans. loc

DroidSans.ttf
DroidSans-Bold.ttf
Error while restoring /data!
I: Can't partition non-vfat: datamedia
I:Can't format unknown volume: /emmc

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