How To Fix MC597 - View & cannot be used as a base object simultaneously

SAP Error Message - Details

• Message type: E = Error

• Message class: MC - Aggregate: views, matchcodes, lock objects

• Message number: 597

• Message text: View & cannot be used as a base object simultaneously

What causes this issue?

This error message can occur in the following scenario:
A CDS view defines an association that uses the CDS view itself as an
association target (a self association). In the CDS view, it is not
possible to use this association in a path expression that is
transformed to a join expression.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MC597 - View & cannot be used as a base object simultaneously ?

  The SAP error message MC597 ("View & cannot be used as a base object simultaneously") typically occurs in the context of SAP's Material Management (MM) or Logistics modules when there is an attempt to use a view as both a base object and a derived object in a way that is not allowed.
  Cause:
  This error usually arises due to one of the following reasons:
  
  Conflicting Object Usage: The view you are trying to use is already being utilized as a base object in another context, which prevents it from being used simultaneously in the current operation.
  Incorrect Configuration: There may be a configuration issue where the same view is being referenced in multiple places, leading to conflicts.
  Data Model Issues: The underlying data model may have inconsistencies or conflicts that prevent the view from being used as intended.
  
  Solution:
  To resolve the MC597 error, you can take the following steps:
  
  
  Check Object Usage:
  
  Review the usage of the view in question. Ensure that it is not being used in another context that would conflict with your current operation.
  Use transaction codes like SE11 (Data Dictionary) to check the definition and usage of the view.
  
  
  
  Review Configuration:
  
  Go through the configuration settings related to the view and ensure that there are no conflicting settings.
  If you have recently made changes to the configuration, consider reverting those changes to see if the error persists.
  
  
  
  Data Model Validation:
  
  Validate the data model to ensure that there are no inconsistencies. This may involve checking related tables and views for integrity.
  If necessary, run consistency checks or use transaction codes like SE14 (Database Utility) to check for inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific view and its intended usage. There may be specific guidelines or restrictions on how the view can be used.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide insights or patches if the issue is related to a known bug.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SE80 (Object Navigator) for troubleshooting.
  SAP Notes: Check the SAP Support Portal for any notes related to the specific view or error message. There may be updates or patches that address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the MC597 error and implement a suitable solution.