Run chkdsk on the affected volume and then run synchronization with consistency check. 2) If running chkdsk does not solve ...

1) Run chkdsk on the affected volume and then run synchronization with consistency check. 
2) If running chkdsk does not solve the problem, and the server indicated above is a protected server (and not the DPM server), consider deleting this file from the source and then running synchronization with consistency check.