Endpoint Protection

We have 2 managment clients setup as replication partner. recently we see that we have started receiveing replication failed due to the below error. 

The replication happens successfully from primary to seconday. But the replication fails from seconday to primary. I have observerd that any changes made to folder structure or policies in secondary or primary is getting replicated fine. But the client information is different. I have tried to delete replication and re initiate it, rebooted both the servers but no go. Any help or any info on this error.

Unable to fetch changed data from remote site [Primary]: Invalid column name 'PEP_ONOFF'.  [Site: Secondary]  [Server: XXXXXXX]

And the status shows "Failed to Submit"

Has something recently changed that you know of?

This started happening after we tried to to upgrade SEPM v14. But we rolled back using a snapshot. And this worked for a day and then the error started. We tried to restore the database again but no go. Contacted symantec also. But they are still investigating they said that they have not seen this error. I am completely confused on this error. We have re checked everything but no go.

Any help would be appreciated.

This has a very little information.

My advice will be to work with support and get the logs analyzed.