How To Fix 88645 - Consecutive document type &1 is already assigned

SAP Error Message - Details

• Message type: E = Error

• Message class: 88 - REA Processing

• Message number: 645

• Message text: Consecutive document type &1 is already assigned

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 88645 - Consecutive document type &1 is already assigned ?

  The SAP error message 88645, which states "Consecutive document type &1 is already assigned," typically occurs in the context of document management or financial transactions within SAP. This error indicates that the system is trying to assign a document type that has already been assigned to another sequence or configuration, leading to a conflict.
  Cause:
  
  Duplicate Assignment: The document type you are trying to assign is already linked to another sequence or configuration in the system.
  Configuration Issues: There may be a misconfiguration in the document type settings, particularly in the area of number ranges or document type assignments.
  Custom Development: If there are custom developments or enhancements in your SAP system, they might be causing conflicts with standard document type assignments.
  
  Solution:
  
  
  Check Document Type Assignments:
  
  Go to the configuration settings for document types in the relevant module (e.g., Financial Accounting, Controlling).
  Verify if the document type in question is already assigned to another sequence or if it is being used inappropriately.
  
  
  
  Review Number Ranges:
  
  Check the number range settings for the document type. Ensure that the number range is not overlapping with another document type.
  You can do this by navigating to the transaction code SNRO (Number Range Objects) and reviewing the settings for the specific document type.
  
  
  
  Adjust Configuration:
  
  If you find that the document type is incorrectly assigned, you may need to reassign it or create a new document type if necessary.
  Make sure to follow the proper configuration steps to avoid conflicts.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific module you are working with. There may be specific guidelines or known issues related to document type assignments.
  
  
  
  Check for Custom Code:
  
  If there are custom developments in your SAP environment, review the code to ensure that it is not causing the issue. You may need to involve your ABAP developers if necessary.
  
  
  
  Testing:
  
  After making changes, perform tests to ensure that the issue is resolved and that the document type can be assigned without errors.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBD2 (for document type configuration) and OBA7 (for number range assignment).
  SAP Notes: Check SAP Notes for any updates or patches that may address this specific error.
  User Roles and Authorizations: Ensure that the user attempting to make the changes has the necessary authorizations to modify document types and number ranges.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.