How To Fix DRF_OUTBOUND121 - Repeat replication is not possible; object table type is unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: DRF_OUTBOUND - Messages for Outbound Services

• Message number: 121

• Message text: Repeat replication is not possible; object table type is unknown

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DRF_OUTBOUND121 - Repeat replication is not possible; object table type is unknown ?

  The SAP error message DRF_OUTBOUND121 indicates that there is an issue with the replication process in the Data Replication Framework (DRF). Specifically, the message states that "Repeat replication is not possible; object table type is unknown." This typically occurs when the system is unable to determine the type of object table that is being referenced during the replication process.
  Causes:
  
  Missing Configuration: The object type may not be properly configured in the DRF settings, leading to the system being unable to identify it.
  Incorrect Object Type: The object type being referenced may not exist or may have been deleted or modified in a way that the system cannot recognize it.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the system from processing the replication request.
  Transport Issues: If the object type was recently transported from another system, there may be issues with the transport that need to be resolved.
  
  Solutions:
  
  Check Configuration: Verify that the object type is correctly configured in the DRF settings. Ensure that all necessary settings are in place for the object type you are trying to replicate.
  Validate Object Type: Ensure that the object type exists in the system. You can check this in the relevant transaction codes (e.g., SLG1 for application logs, or DRF-related transactions).
  Review Logs: Check the application logs for more detailed error messages that may provide additional context about the issue. Use transaction SLG1 to view logs related to DRF.
  Reconfigure Replication: If the object type is not recognized, you may need to reconfigure the replication settings for that object type.
  Check for Data Consistency: Ensure that the data being replicated is consistent and does not contain any errors that could prevent replication.
  Transport Check: If the object type was recently transported, ensure that the transport was successful and that all necessary objects were included.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SLG1: For viewing application logs.
  DRFOUT: For monitoring outbound replication.
  DRFIMG: For customizing DRF settings.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to DRF and the specific error message. You can search for notes using the SAP Support Portal.
  Documentation: Review the official SAP documentation for the Data Replication Framework to understand the configuration and replication processes better.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.