How To Fix RSODP_ABAP_CDS306 - &1 hash codes found

SAP Error Message - Details

• Message type: E = Error

• Message class: RSODP_ABAP_CDS -

• Message number: 306

• Message text: &1 hash codes found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSODP_ABAP_CDS306 - &1 hash codes found ?

  The SAP error message RSODP_ABAP_CDS306 typically relates to issues with the Core Data Services (CDS) views in the ABAP environment. This error indicates that there are hash codes found that do not match the expected values, which can occur due to various reasons such as inconsistencies in the data model, changes in the underlying database structure, or issues with the transport of objects.
  Cause:
  
  Inconsistent Data Model: Changes made to the CDS views or the underlying database tables without proper adjustments can lead to hash code mismatches.
  Transport Issues: If the CDS views or related objects were transported incorrectly between systems (e.g., from development to quality assurance), it could lead to inconsistencies.
  Database Changes: Changes in the database schema (like adding or removing fields) that are not reflected in the CDS view can cause this error.
  Caching Issues: Sometimes, caching mechanisms can lead to discrepancies in the expected hash codes.
  
  Solution:
  
  Re-activate the CDS View: Go to the ABAP Development Tools (ADT) or transaction SE11/SE80, find the CDS view, and re-activate it. This can help regenerate the hash codes.
  Check for Transport Issues: Ensure that all related objects have been transported correctly. If there are missing objects, transport them to the target system.
  Review Changes: If there have been recent changes to the database or the CDS view, review those changes to ensure they are consistent and correctly implemented.
  Clear Cache: If caching is suspected to be the issue, you can clear the cache for the CDS views. This can often be done through transaction code /IWFND/CACHE or similar, depending on your SAP version.
  Check Dependencies: Ensure that all dependent objects (like tables, other views, etc.) are in sync and correctly defined.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that might address this specific error.
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE80 (Object Navigator), and ADT (ABAP Development Tools) are commonly used for managing CDS views.
  SAP Notes: Always check for SAP Notes related to CDS views and error RSODP_ABAP_CDS306 for any specific fixes or recommendations.
  Documentation: Review the official SAP documentation on CDS views for best practices and guidelines on managing them effectively.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.