How To Fix DMCLG693 - Comparison; no differences found

SAP Error Message - Details

• Message type: E = Error

• Message class: DMCLG - DMC Tool Development

• Message number: 693

• Message text: Comparison; no differences found

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 DMCLG693 - Comparison; no differences found ?

  The SAP error message DMCLG693 ("Comparison; no differences found") typically occurs in the context of data comparison processes, such as during data migration, data validation, or when using tools like the Data Migration Cockpit or other data comparison utilities within SAP.
  Cause:
  
  No Data Changes: The most common cause of this error is that the system is attempting to compare two datasets, and there are no differences between them. This could happen if the source and target datasets are identical.
  Incorrect Configuration: There may be an issue with the configuration of the comparison process, such as incorrect selection criteria or filters that lead to no records being compared.
  Data Loading Issues: If data was not loaded correctly into the target system, the comparison might yield no differences because the expected data is missing.
  
  Solution:
  
  Verify Data: Check the source and target datasets to ensure that they contain the expected data. If they are supposed to be different, investigate why they are not.
  Review Configuration: Look at the configuration settings for the comparison process. Ensure that the correct tables, fields, and selection criteria are being used.
  Data Load Verification: If you suspect that data was not loaded correctly, review the data loading logs and processes to ensure that all records were transferred successfully.
  Testing with Known Differences: If possible, create a test scenario where you know there are differences between the datasets to see if the comparison tool works as expected.
  Consult Documentation: Refer to SAP documentation or support notes related to the specific tool or process you are using for additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific version of SAP you are using.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 for data dictionary, SE16 for data browsing, or specific transaction codes related to data migration.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.