How To Fix U6170 - All identifications must be different

SAP Error Message - Details

• Message type: E = Error

• Message class: U6 - Message Class for BRE

• Message number: 170

• Message text: All identifications must be different

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message U6170 - All identifications must be different ?

  The SAP error message U6170, which states "All identifications must be different," typically occurs in scenarios where unique identifiers are required, such as when creating or modifying records in various SAP modules (e.g., Material Management, Sales and Distribution, etc.). This error indicates that there are duplicate entries or identifiers that are not allowed in the system.
  Cause:
  
  Duplicate Identifiers: The most common cause of this error is that the system has detected duplicate entries for fields that require unique values. This could be related to material numbers, customer IDs, vendor IDs, or any other unique identifier.
  Configuration Issues: Sometimes, the configuration settings in the system may not be set up correctly, leading to conflicts in identifier assignments.
  Data Migration Issues: If data has been migrated from another system, there may be duplicates that were not resolved during the migration process.
  
  Solution:
  
  Check for Duplicates: Review the entries you are trying to create or modify. Ensure that all identifiers are unique. You can use transaction codes like SE16 or SE11 to check the relevant database tables for existing entries.
  Modify Identifiers: If you find duplicates, modify the identifiers to ensure they are unique. This may involve changing material numbers, customer IDs, etc.
  Review Configuration: If the issue persists, review the configuration settings related to the identifiers in question. Ensure that the settings allow for unique entries and that there are no conflicting rules.
  Data Cleansing: If the error arises from data migration, perform data cleansing to remove or resolve duplicates before re-importing the data into SAP.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines related to the module you are working with, as the requirements for unique identifiers can vary.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), or specific transaction codes related to the module you are working with.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the U6170 error and implement a solution to resolve it.