How To Fix DMC_RT_MSG171 - The write behavior 'Update Set' is not supported for ADBC writer modules

SAP Error Message - Details

• Message type: E = Error

• Message class: DMC_RT_MSG - DMC: Runtime Object Messages

• Message number: 171

• Message text: The write behavior 'Update Set' is not supported for ADBC writer modules

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 DMC_RT_MSG171 - The write behavior 'Update Set' is not supported for ADBC writer modules ?

  The SAP error message DMC_RT_MSG171 indicates that there is an issue with the write behavior configuration in the context of using ADBC (ABAP Database Connectivity) writer modules. Specifically, the error states that the write behavior 'Update Set' is not supported for ADBC writer modules.
  Cause:
  The primary cause of this error is that the ADBC writer module does not support the 'Update Set' write behavior. In SAP Data Migration Cockpit (DMC), different write behaviors are available, such as 'Insert', 'Update', 'Delete', and 'Update Set'. The 'Update Set' behavior is typically used for batch updates, but ADBC is not designed to handle this type of operation.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Change Write Behavior: Modify the write behavior in your DMC configuration to one that is supported by the ADBC writer module. For example, you can switch to 'Insert' or 'Update' depending on your requirements.
  
  
  Review Data Migration Strategy: If you need to perform batch updates, consider using a different approach or tool that supports the 'Update Set' behavior. This might involve using a different writer module or a different method for data migration.
  
  
  Check Documentation: Refer to the SAP documentation for the Data Migration Cockpit and ADBC to understand the supported write behaviors and any limitations.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes that might provide additional insights or updates regarding this error message.
  
  
  Testing: After making changes, test the data migration process to ensure that it works as expected without triggering the error.
  
  
  Related Information:
  
  ADBC (ABAP Database Connectivity): ADBC is a framework in SAP that allows ABAP programs to access databases directly. It is often used for data migration tasks.
  Data Migration Cockpit (DMC): DMC is a tool provided by SAP to facilitate data migration processes, especially during system migrations or upgrades.
  Write Behaviors: Understanding the different write behaviors available in DMC is crucial for configuring data migration tasks correctly. Each behavior has specific use cases and limitations.
  
  By following these steps and understanding the context of the error, you should be able to resolve the issue and successfully complete your data migration task.