How To Fix /PLMB/BA_RCP211 - Sequence number &1 exists multiple times

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_RCP -

• Message number: 211

• Message text: Sequence number &1 exists multiple times

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_RCP211 - Sequence number &1 exists multiple times ?

  The SAP error message /PLMB/BA_RCP211 Sequence number &1 exists multiple times typically occurs in the context of the SAP PLM (Product Lifecycle Management) module, particularly when dealing with records that involve sequence numbers. This error indicates that the system has detected duplicate sequence numbers in the data being processed, which violates the uniqueness constraint expected by the system.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are multiple entries in the database or in the data being processed that have the same sequence number.
  Data Migration Issues: If data has been migrated from another system or if there have been manual entries, it is possible that duplicates were inadvertently created.
  Incorrect Configuration: There may be issues with the configuration of the data model or the way sequence numbers are generated or assigned.
  
  Solution:
  
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to query the relevant database table and identify where the duplicate sequence numbers exist. You can run a query to count occurrences of each sequence number.
  Example SQL query:
  SELECT sequence_number, COUNT(*)
  FROM your_table_name
  GROUP BY sequence_number
  HAVING COUNT(*) > 1
  
  
  Data Cleanup: Once you have identified the duplicates, you will need to decide how to handle them. This could involve:
  
  Deleting the duplicate entries if they are not needed.
  Merging records if they contain relevant information that should be preserved.
  Correcting the sequence numbers to ensure uniqueness.
  
  
  
  Review Data Entry Processes: If the duplicates are a result of manual data entry, review and improve the data entry processes to prevent future occurrences. Implement validation checks to ensure that sequence numbers are unique before saving records.
  
  
  Check Configuration: Review the configuration settings related to sequence number generation in the PLM module. Ensure that the settings are correctly defined to prevent duplicates.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to the specific error message for additional guidance and best practices.
  
  
  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.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), and others that can help you analyze and manage data.
  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 resolve the error and prevent it from occurring in the future.