How To Fix /PLMI/BO_RPR_PP552 - Sequence number &1 must be unique

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/BO_RPR_PP -

• Message number: 552

• Message text: Sequence number &1 must be unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/BO_RPR_PP552 - Sequence number &1 must be unique ?

  The SAP error message /PLMI/BO_RPR_PP552 Sequence number &1 must be unique typically occurs in the context of the SAP PLM (Product Lifecycle Management) module, particularly when dealing with process orders, production orders, or similar objects where sequence numbers are used to identify and manage items or operations.
  Cause:
  The error indicates that there is a duplicate sequence number being used in the context where uniqueness is required. This can happen due to:
  
  Data Entry Errors: Manual entry of sequence numbers where the same number has been entered for multiple items.
  Data Migration Issues: If data has been migrated from another system or from legacy data, it may have introduced duplicates.
  Configuration Issues: Incorrect configuration in the system that allows for non-unique sequence numbers.
  Concurrent Processing: Multiple users or processes trying to create or modify records simultaneously, leading to conflicts.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicates: Check the records in the relevant table or transaction to identify where the duplicate sequence number is being used. You can use transaction codes like SE16 or SE11 to view the relevant database tables.
  
  
  Correct the Data: Once you identify the duplicates, you can either:
  
  Change the sequence number of one of the conflicting records to ensure uniqueness.
  Delete the duplicate record if it is not needed.
  
  
  
  Review Data Entry Processes: Ensure that the process for entering sequence numbers is robust and includes checks for uniqueness before saving records.
  
  
  Check Configuration: Review the configuration settings in the SAP system to ensure that they enforce uniqueness for sequence numbers where required.
  
  
  Test Changes: After making corrections, test the changes in a development or quality assurance environment before applying them to production.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for any additional guidance or known issues.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SE16 or SE11 for data browsing.
  CO02 for production order processing.
  C223 for configuration of sequence numbers in production orders.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message number or keywords in the SAP Support Portal.
  
  
  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.