How To Fix PSSC_BUFFER040 - Duplicate NCD Header entry in buffer table (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: PSSC_BUFFER - Social Services Buffer

• Message number: 040

• Message text: Duplicate NCD Header entry in buffer table (internal error)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PSSC_BUFFER040 - Duplicate NCD Header entry in buffer table (internal error) ?

  The SAP error message PSSC_BUFFER040: Duplicate NCD Header entry in buffer table (internal error) typically occurs in the context of SAP's Product Safety and Compliance (PSSC) module. This error indicates that there is a duplicate entry in the buffer table for Non-Conformance Document (NCD) headers, which can disrupt the processing of compliance-related documents.
  Cause:
  
  
  Data Integrity Issues: The most common cause of this error is that there are duplicate entries in the database or buffer table for NCD headers. This can happen due to:
  
  Incorrect data entry or duplication during data import.
  Issues with the application logic that leads to multiple entries being created for the same NCD.
  Problems during system upgrades or migrations that may have led to data inconsistencies.
  
  
  
  Concurrency Issues: If multiple processes are trying to create or update NCD headers simultaneously, it may lead to race conditions that result in duplicate entries.
  
  
  Solution:
  
  
  Check for Duplicates: 
  
  Use transaction codes like SE16 or SE11 to access the relevant database tables (e.g., the buffer table for NCD headers) and check for duplicate entries.
  Identify and remove any duplicate entries manually if they are found.
  
  
  
  Data Cleanup: 
  
  If duplicates are found, you may need to perform a data cleanup. This could involve deleting or merging duplicate records based on business rules.
  
  
  
  Review Application Logic: 
  
  Review the application logic or custom code that handles the creation of NCD headers to ensure that it properly checks for existing entries before creating new ones.
  
  
  
  System Configuration: 
  
  Ensure that the system is properly configured to handle concurrent processes. This may involve adjusting locking mechanisms or transaction handling.
  
  
  
  Consult SAP Notes: 
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues related to this error.
  
  
  
  Contact SAP Support: 
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs or transaction codes.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and ST22 (Dump Analysis) to investigate the issue further.
  SAP Documentation: Review the official SAP documentation for the PSSC module to understand how NCDs are managed and any specific configurations that may be relevant.
  User 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 root cause of the error and implement a solution to resolve it.