How To Fix EU398 - The selected data is identical to the data in the system

SAP Error Message - Details

• Message type: E = Error

• Message class: EU - Development Environment

• Message number: 398

• Message text: The selected data is identical to the data in the system

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 EU398 - The selected data is identical to the data in the system ?

  The SAP error message EU398, which states "The selected data is identical to the data in the system," typically occurs when you attempt to create or update a record in the SAP system, but the data you are trying to enter is already present in the system. This can happen in various contexts, such as during data entry in master data transactions, when uploading data, or when trying to create new entries that are duplicates of existing ones.
  Cause:
  
  Duplicate Data Entry: The most common cause is that the data you are trying to enter already exists in the system. This could be due to a previous entry that was not noticed or a data upload that included existing records.
  Data Validation Rules: The system has built-in validation rules that prevent the creation of duplicate records to maintain data integrity.
  Incorrect Data Selection: Sometimes, the data selected for processing may inadvertently match existing records due to incorrect filters or selection criteria.
  
  Solution:
  
  Check Existing Records: Before attempting to create or update a record, check the existing data in the system to confirm whether the record already exists. You can use transaction codes relevant to the data you are working with (e.g., SE16 for table display).
  Modify Data: If you find that the data already exists, consider modifying your input to create a new unique record. This may involve changing certain fields to ensure uniqueness.
  Use Different Identifiers: If applicable, use different identifiers or keys that distinguish the new record from existing ones.
  Consult Documentation: Review the documentation or help files related to the specific transaction you are using to understand the rules regarding data uniqueness.
  Error Handling: If you are working with a data upload or batch process, implement error handling to skip or log duplicates instead of stopping the entire process.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for data management, such as SE11 (Data Dictionary), SE16 (Table Display), or specific transaction codes for the module you are working in (e.g., MM for materials management).
  Data Governance: Ensure that your organization has data governance policies in place to manage data entry and prevent duplicates.
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message, as there may be known issues or enhancements that address it.
  User Training: Provide training for users on how to properly enter data and check for existing records to minimize the occurrence of this error.
  
  By following these steps, you should be able to resolve the EU398 error and prevent it from occurring in the future.