How To Fix BB052 - System error: No free sequential number (LFDNR) in TCOBL

SAP Error Message - Details

• Message type: E = Error

• Message class: BB - Coding Block

• Message number: 052

• Message text: System error: No free sequential number (LFDNR) in TCOBL

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BB052 - System error: No free sequential number (LFDNR) in TCOBL ?

  The SAP error message BB052, which states "System error: No free sequential number (LFDNR) in TCOBL," typically occurs when the system is unable to find a free sequential number for a document in the TCOBL table. This table is used for storing document numbers for various business transactions, and the error indicates that the number range for the specific document type has been exhausted or is not properly configured.
  Causes:
  
  Exhausted Number Range: The number range for the document type has been completely used up, meaning there are no available numbers left to assign.
  Incorrect Number Range Configuration: The number range may not be properly defined or activated in the system.
  Number Range Intervals: The intervals for the number range may not be set correctly, leading to gaps or overlaps.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify the number range settings.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Find the relevant number range object associated with the document type in question.
  Check the intervals defined for the number range and ensure that there are free numbers available.
  
  
  
  Extend Number Range:
  
  If the number range is exhausted, you can extend it by adding new intervals.
  In the SNRO transaction, select the number range object and add a new interval with a higher upper limit.
  
  
  
  Activate Number Range:
  
  Ensure that the number range is active. If it is not, activate it in the configuration settings.
  
  
  
  Check for Gaps:
  
  Review the number range intervals for any gaps or overlaps that might be causing the issue.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to access and modify number range settings.
  
  
  
  Consult with Basis Team:
  
  If you are unable to resolve the issue, consult with your SAP Basis team or system administrator for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO: Number Range Objects
  SNUM: Number Range Management
  
  
  Documentation: Refer to SAP Help documentation for detailed information on number range management and configuration.
  Support: If the issue persists, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify the cause of the BB052 error and implement a solution to resolve it.