How To Fix CNV_DMC_HC068 - &1 - &2: 1:N replication scenario; failed to retrieve consumer number

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_HC -

• Message number: 068

• Message text: &1 - &2: 1:N replication scenario; failed to retrieve consumer number

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

In transaction LTRC, you can view the possible causes of the issue. On
the tabs <ZK>Table Overview</> and <ZK>Data Transfer Monitor</>, you can
choose the <ZK>View Errors</> pushbutton. On the tab <ZK>Application
Logs</>, you can also view the logs for the initial load and for the
replication process.
If you do not find any problems, choose <ZK>Show Configuration Data</>
on the <ZK>Administration Data</> tab of transaction LTRC. Check whether
the option <ZK>Allow Multiple Usage</> is selected. If this option is
not selected, you must delete the configuration and create it again
(ensuring that the option is selected). If the option <ZK>Allow Multiple
Usage</> is selected, stop and start the table again to resolve this
issue.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_HC068 - &1 - &2: 1:N replication scenario; failed to retrieve consumer number ?

  The SAP error message CNV_DMC_HC068 typically occurs in the context of data migration or replication scenarios, particularly when using the SAP Data Migration Cockpit or related tools. This specific error indicates that there is an issue with retrieving the consumer number in a 1:N replication scenario.
  Cause:
  The error can be caused by several factors, including:
  
  Configuration Issues: The replication scenario may not be properly configured, leading to issues in retrieving the necessary consumer number.
  Data Consistency: There may be inconsistencies in the data that prevent the system from identifying the correct consumer number.
  Missing Data: Required data or entries in the relevant tables may be missing, which can lead to failures in the replication process.
  Authorization Issues: The user executing the replication may not have the necessary authorizations to access the required data.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the replication framework.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Configuration: Review the configuration of the replication scenario to ensure that all settings are correct and complete.
  Data Validation: Validate the data in the source and target systems to ensure that all necessary entries exist and are consistent.
  Review Logs: Check the logs for more detailed error messages that can provide additional context about the failure.
  Authorization Check: Ensure that the user executing the replication has the necessary authorizations to access the required data.
  Technical Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide patches or updates that address known issues related to this error.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the error message for any specific fixes or recommendations provided by SAP.
  Documentation: Review the official SAP documentation for the Data Migration Cockpit or the specific replication scenario you are working with.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.