How To Fix RSOD156 - Document for current value for &1 is ambiguous

SAP Error Message - Details

• Message type: E = Error

• Message class: RSOD - Messages for Document Link

• Message number: 156

• Message text: Document for current value for &1 is ambiguous

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 RSOD156 - Document for current value for &1 is ambiguous ?

  The SAP error message RSOD156, which states "Document for current value for &1 is ambiguous," typically occurs in the context of reporting or data extraction processes, particularly when dealing with data sources that have multiple entries for a given key or value. This ambiguity can arise in various scenarios, such as when there are multiple documents or records that match the criteria specified in your query or report.
  Cause:
  
  
  Multiple Entries: The most common cause of this error is that there are multiple entries in the database for the same key or value that you are trying to retrieve. For example, if you are trying to fetch a document number, and there are multiple documents with the same number but different versions or statuses, the system cannot determine which one to return.
  
  
  Data Inconsistency: There may be inconsistencies in the data, such as duplicate records or incorrect data entries that lead to ambiguity.
  
  
  Incorrect Query Logic: The logic used in the query or report may not be specific enough to uniquely identify the desired record.
  
  
  Solution:
  
  
  Refine the Query: Modify the query or report to include additional criteria that can help uniquely identify the record you are interested in. This could involve adding filters based on date, status, or other distinguishing attributes.
  
  
  Check for Duplicates: Investigate the underlying data to identify and resolve any duplicate entries. This may involve cleaning up the data or adjusting how records are created and maintained.
  
  
  Use Unique Identifiers: Ensure that you are using unique identifiers (like document numbers, transaction IDs, etc.) that can help the system distinguish between different records.
  
  
  Consult Documentation: Review the documentation for the specific report or transaction you are using to understand the expected input and output, and ensure that you are following the correct procedures.
  
  
  Contact Support: If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or updates related to this error message. SAP frequently updates its knowledge base with solutions for common issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE11 (Data Dictionary), SE16 (Data Browser), or ST22 (Dump Analysis).
  Data Model: Understanding the data model and relationships between tables in your SAP system can help in diagnosing the root cause of the ambiguity.
  
  By addressing the underlying causes of the ambiguity and refining your queries, you should be able to resolve the RSOD156 error effectively.