How To Fix CRMS4_PS_BUFFER021 - Cannot assign unique SEQNR for '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: CRMS4_PS_BUFFER - Social Services Buffer

• Message number: 021

• Message text: Cannot assign unique SEQNR for '&1'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRMS4_PS_BUFFER021 - Cannot assign unique SEQNR for '&1' ?

  The SAP error message CRMS4_PS_BUFFER021 indicates that the system is unable to assign a unique sequence number (SEQNR) for a specific object or record, which is typically related to the CRM (Customer Relationship Management) system's buffer management. This error can occur in various scenarios, such as when dealing with business partners, transactions, or other CRM-related objects.
  Cause:
  
  Buffer Issues: The error often arises due to issues with the internal buffer that manages sequence numbers. If the buffer is full or not properly initialized, it may not be able to generate a new unique sequence number.
  Database Constraints: There may be constraints in the database that prevent the assignment of a new sequence number, such as primary key violations or issues with the underlying database tables.
  Configuration Problems: Incorrect configuration settings in the CRM system or related components can lead to this error.
  Concurrency Issues: If multiple processes are trying to assign sequence numbers simultaneously, it can lead to conflicts and this error.
  
  Solution:
  
  Check Buffer Settings: Review the buffer settings in the CRM system. Ensure that the buffer is properly configured and has enough capacity to handle the required sequence numbers.
  Database Integrity: Check the database for any integrity issues. Ensure that there are no duplicate entries or constraints that could be causing the problem.
  Transaction Management: If the error occurs during a transaction, ensure that the transaction is being managed correctly. Consider implementing proper locking mechanisms to avoid concurrency issues.
  System Restart: Sometimes, a simple restart of the SAP system can resolve temporary issues with the buffer or sequence number generation.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. There may be updates or fixes available that can resolve the issue.
  Consult Documentation: Review the SAP documentation related to CRM and sequence number management for any additional insights or configuration settings that may need to be adjusted.
  
  Related Information:
  
  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 the context in which it occurs.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in diagnosing or resolving the issue, such as SE11 (Data Dictionary), SE37 (Function Builder), or SM21 (System Log).
  Monitoring Tools: Utilize monitoring tools within SAP to track the performance and status of the CRM system, which may help identify underlying issues contributing to the error.
  
  By following these steps, you should be able to diagnose and resolve the CRMS4_PS_BUFFER021 error effectively.