How To Fix ESH_ENG_CDS_ABAP016 - Expected rows: &1; actual rows: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_ENG_CDS_ABAP - ES-CDS/ABAP

• Message number: 016

• Message text: Expected rows: &1; actual rows: &2

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 ESH_ENG_CDS_ABAP016 - Expected rows: &1; actual rows: &2 ?

  The SAP error message ESH_ENG_CDS_ABAP016 indicates a discrepancy between the expected number of rows and the actual number of rows returned by a Core Data Services (CDS) view in the SAP system. This error typically occurs in the context of data retrieval operations, particularly when the system expects a certain number of records to be returned based on the query or operation being performed.
  Cause:
  
  Data Inconsistency: The underlying data may have changed since the query was formulated, leading to a mismatch in the expected and actual row counts.
  Query Logic: The logic in the CDS view or the associated query may not align with the data model, resulting in unexpected results.
  Filters and Parameters: If filters or parameters are applied incorrectly, they may limit the result set, causing fewer rows to be returned than expected.
  Performance Issues: Sometimes, performance issues or timeouts can lead to incomplete data retrieval, resulting in fewer rows being returned.
  
  Solution:
  
  Check Data Consistency: Verify the underlying data in the database to ensure that it matches the expected state. Look for any recent changes that might have affected the data.
  Review CDS View Logic: Examine the logic of the CDS view to ensure that it is correctly defined and that the expected results align with the data model.
  Adjust Filters/Parameters: Review any filters or parameters being used in the query. Ensure they are set correctly and are not overly restrictive.
  Debugging: Use debugging tools to trace the execution of the CDS view and identify where the discrepancy occurs. This can help pinpoint the exact cause of the issue.
  Performance Monitoring: Check for any performance issues that might be affecting data retrieval. Ensure that the system is not under heavy load and that there are no locks or other issues affecting the database.
  
  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.
  Documentation: Review the documentation for the specific CDS view and any related data models to ensure that you understand the expected behavior.
  Community Forums: Engage with SAP community forums or support channels to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurs.