How To Fix RSWADMDERR1131 - Duplicate item IDs found in item &1 and &2; second instance ignored

SAP Error Message - Details

• Message type: E = Error

• Message class: RSWADMDERR1 - Web Application Designer 4.0 Error Messages

• Message number: 131

• Message text: Duplicate item IDs found in item &1 and &2; second instance ignored

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 RSWADMDERR1131 - Duplicate item IDs found in item &1 and &2; second instance ignored ?

  The SAP error message RSWADMDERR1131 indicates that there are duplicate item IDs found in the context of a specific operation, typically related to the handling of data in the SAP system. This error usually occurs in the context of data processing, such as during the execution of a report or a data upload process.
  Cause:
  The error arises when the system encounters two or more items with the same ID during a data processing operation. This can happen in various scenarios, such as:
  
  Data Uploads: When importing data from external sources, duplicate IDs may exist in the source data.
  Data Processing: During the execution of a report or program that processes multiple items, the same ID may be referenced more than once.
  Configuration Issues: Incorrect configuration or setup in the system that allows for duplicate entries.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Identify Duplicates: Check the data source or the context in which the error occurs to identify the duplicate item IDs. This may involve querying the database or reviewing the data being processed.
  
  
  Data Cleansing: If duplicates are found in the source data, you will need to clean the data by removing or consolidating the duplicate entries. Ensure that each item ID is unique.
  
  
  Review Configuration: If the duplicates are a result of system configuration, review the relevant settings in the SAP system to ensure that they are set up correctly to prevent duplicates.
  
  
  Modify the Process: If the error occurs during a specific process (like a report), consider modifying the logic to handle duplicates appropriately, such as aggregating data or ignoring duplicates based on business rules.
  
  
  Testing: After making changes, test the process again to ensure that the error no longer occurs and that the data is processed correctly.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context of the error, you may need to use specific transaction codes to access the relevant data or reports (e.g., SE16 for data browsing, SE38 for executing reports).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review SAP documentation related to the specific module or process you are working with to understand how to manage item IDs and prevent duplicates.
  
  If the issue persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.