Enable the compatibility flag on both Source and Target as follows:
1. Set the parameter SP_SYS_SPM_UNIX_TIME to 1.
sp_ctrl> set parameter SP_SYS_SPM_UNIX_TIME 1
2. Shutdown SharePlex.
sp_ctrl> shutdown
3. Restart SharePlex.
Note: You will see correct values for "Last Record Processed" timestamp and "Latency" for newly replicated data once sp_cop has been restarted.