How To Fix AO517 - Table parameter &1 is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: AO - Appropriation requests - Master data / Customizing

• Message number: 517

• Message text: Table parameter &1 is not unique

What causes this issue?

Tablen parameter &v1& contains duplicate entries.

System Response

Processing is canceled.

How to fix this error?

Remove the duplicate entries.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AO517 - Table parameter &1 is not unique ?

  The SAP error message AO517, which states "Table parameter &1 is not unique," typically occurs in the context of Analytical Objects or when working with certain data models in SAP BW (Business Warehouse) or SAP HANA. This error indicates that there is a problem with the uniqueness of the table parameter specified in the context of a query or data model.
  Cause:
  
  Non-Unique Entries: The error usually arises when the system expects a unique entry for a table parameter, but multiple entries exist. This can happen if the data model or query is not properly defined, leading to ambiguity in the data retrieval process.
  Incorrect Joins: If there are joins in the data model that do not enforce uniqueness, it can lead to multiple records being returned for a single key.
  Data Integrity Issues: There may be issues with the underlying data, such as duplicates in the source tables that are being queried.
  
  Solution:
  
  Check Data Model: Review the data model or query definition to ensure that the table parameter is defined correctly and that it is supposed to be unique. Make sure that the joins are set up correctly to enforce uniqueness.
  Data Cleansing: If the underlying data contains duplicates, you may need to clean the data. This could involve removing duplicate records or ensuring that the data source is designed to provide unique entries.
  Modify Query: If you are working with a query, consider modifying it to ensure that it retrieves unique records. This might involve using aggregate functions or distinct selections.
  Review Table Definitions: Check the definitions of the tables involved to ensure that primary keys or unique constraints are properly defined.
  Consult Documentation: Refer to SAP documentation or support resources for specific guidance related to the version of SAP you are using, as there may be version-specific considerations.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to inspect table definitions and SE80 (Object Navigator) to review data models and queries.
  Debugging: If you have access to debugging tools, you can trace the execution of the query or data model to identify where the uniqueness constraint is being violated.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.