The Replicator Log Header error can occur if the disks used by the SRL volume had experienced connectivity issues while Replication was ongoing or are no longer accessible from the server from which replication is running.
1. Clear SRL log header error by disassociating SRL from the primary server as seen below

2. Associate SRL back again on primary back again as seen below

3. Start Replication again and check the status of VVR.
NOTE: A full resynchronization is required after the above steps are performed.
The vxprint -VPl output will show below entry