You must execute an ignore loss command in certain situations.
Execute ignore loss:
If you choose to recover the lost messages by re-creating subscriptions or replaying logs.
ignore loss from DS1.PDB to DS3.RDB
ignore loss from DS1.RS1_RSSD to DS2.RS2_RSSD
For both an SQM and a DSI loss that is detected by a Replication Server at the destination of the route when you rebuild two Replication Servers in succession.
In this case, you need to execute ignore loss twice, once for SQM losses and once for DSI losses. The ignore loss command that you execute to ignore DSI loss at the destination Replication Server is the same command you use to ignore SQM loss from the previous site.