How To Fix GC843 - Method & : & overlap by sequential numbers & and &

SAP Error Message - Details

• Message type: E = Error

• Message class: GC - Error Messages for Consolidation/Extended General Ledger

• Message number: 843

• Message text: Method & : & overlap by sequential numbers & and &

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GC843 - Method & : & overlap by sequential numbers & and & ?

  The SAP error message GC843 typically indicates that there is an overlap in the sequential numbering of documents or items in a specific context, such as billing documents, invoices, or other transactional records. This error usually arises when the system detects that two or more documents are trying to use the same sequential number, which violates the uniqueness requirement for document numbering.
  Cause:
  
  Duplicate Number Ranges: The error can occur if there are overlapping number ranges defined for different document types or if the same number range is assigned to multiple document types.
  Manual Entry Errors: If users are manually entering document numbers, they may inadvertently enter a number that has already been used.
  Configuration Issues: Incorrect configuration in the number range settings for the relevant document types can lead to overlaps.
  Data Migration Issues: If data has been migrated from another system, there may be conflicts in the numbering if the same numbers were used in both systems.
  
  Solution:
  
  
  Check Number Ranges: 
  
  Go to the transaction code SNRO (Number Range Objects) and check the configuration for the relevant number range object. Ensure that the number ranges are correctly defined and do not overlap.
  Adjust the number ranges if necessary to ensure that they are unique and do not conflict with each other.
  
  
  
  Review Document Types: 
  
  Check the configuration of document types in the relevant module (e.g., FI, SD, MM) to ensure that each document type has a unique number range assigned.
  You can do this through the transaction codes specific to the module (e.g., OBD2 for billing documents in FI).
  
  
  
  Correct Manual Entries: 
  
  If the error is due to manual entry, ensure that users are trained to avoid entering duplicate numbers and that they are aware of the numbering conventions.
  
  
  
  Data Migration Review: 
  
  If the issue arose after a data migration, review the migration process to ensure that unique numbering was maintained. You may need to adjust the numbers in the migrated data to avoid conflicts.
  
  
  
  Consult SAP Notes: 
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SNRO, OBD2, and others relevant to your specific SAP module.
  Documentation: Review SAP documentation related to number range management and document types for best practices.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify the cause of the GC843 error and implement a solution to resolve it.