How To Fix SADL_DERIVATION015 - Parameter derivation lookup did not identify exactly one row

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_DERIVATION - Dynamic field derivation

• Message number: 015

• Message text: Parameter derivation lookup did not identify exactly one row

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 SADL_DERIVATION015 - Parameter derivation lookup did not identify exactly one row ?

  The SAP error message SADL_DERIVATION015 indicates that a parameter derivation lookup did not identify exactly one row. This typically occurs in the context of SAP's Semantic Layer and is related to the use of the SAP Application Development Framework (ADF) or the SAP Data Access Layer (DAL) when trying to derive parameters for a specific operation.
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Ambiguous Data: The lookup query is returning multiple rows instead of a single row. This can happen if the data in the underlying database does not have unique identifiers for the parameters being derived.
  
  
  Missing Data: If the expected data is not present in the database, the lookup may not return any rows, leading to ambiguity.
  
  
  Incorrect Configuration: The configuration of the parameter derivation might be incorrect, leading to unexpected results.
  
  
  Data Model Issues: There may be issues with the data model or the way relationships are defined, causing the lookup to not function as intended.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Data Uniqueness: Ensure that the data in the database is unique for the parameters being derived. You may need to adjust the data or the query to ensure that it returns exactly one row.
  
  
  Review the Lookup Logic: Examine the logic used for the parameter derivation. Ensure that the conditions specified in the lookup are correct and that they are designed to return a single result.
  
  
  Debugging: Use debugging tools to trace the execution of the parameter derivation. This can help identify where the logic is failing or where the data is not as expected.
  
  
  Adjust Configuration: If the configuration of the parameter derivation is incorrect, make the necessary adjustments to ensure that it aligns with the intended logic.
  
  
  Consult Documentation: Refer to SAP documentation for the specific version you are using to understand the expected behavior of the parameter derivation and any known issues or limitations.
  
  
  Test with Sample Data: If possible, test the parameter derivation with a controlled set of data to see if the issue persists. This can help isolate the problem.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to the error message. SAP frequently updates its knowledge base with solutions to common problems.
  Community 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.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance. They can provide more in-depth analysis and support based on your specific environment and configuration.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.