Most common reason for this is, the store apps that comes with Windows 10.
You will able to find more details regarding this issue from log files in 2 locations.
- SCCM Task Sequence log (SMSTS.log) - on Run prompt type %temp% to go directly to log location.
- Sysprep Error Log (setuperr.log) - Go to C:\Windows\System32\Sysprep\Panther\.