How To Fix F7120 - Defined number range is already defined for document types

SAP Error Message - Details

• Message type: E = Error

• Message class: F7 - Program Error Messages

• Message number: 120

• Message text: Defined number range is already defined for document types

What causes this issue?

The number range defined for numbering forms is already used as the
number range for a document type. A number range cannot, however, be
defined as the number range for a document type and for interest
calculation at the same time.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Use a number range which is not used for a document type.
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Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message F7120 - Defined number range is already defined for document types ?

  The SAP error message F7120, which states "Defined number range is already defined for document types," typically occurs when there is an attempt to assign a number range to a document type that has already been assigned to another document type. This can happen during the configuration of financial documents, such as invoices or payment documents, in the SAP system.
  Cause:
  
  Duplicate Number Range Assignment: The number range you are trying to assign to a document type is already in use by another document type.
  Configuration Error: There may be a misconfiguration in the number range settings within the SAP system.
  Incorrect Document Type: The document type you are trying to configure may not be appropriate for the number range you are attempting to assign.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Existing Assignments:
  
  Go to the transaction code SNRO (Number Range Objects) or OBD4 (for document types).
  Check the existing number ranges assigned to document types to see if the number range you are trying to use is already assigned.
  
  
  
  Modify Number Range Assignment:
  
  If the number range is already assigned to another document type and you need to use it for a different one, you will need to either:
  
  Change the number range for the existing document type.
  Create a new number range for the new document type.
  
  
  
  
  
  Create a New Number Range:
  
  If necessary, create a new number range by going to transaction code OBA7 (for financial document types) or SNRO to create a new number range object.
  Define the new number range and assign it to the appropriate document type.
  
  
  
  Review Configuration:
  
  Ensure that the configuration for the document types and number ranges is correct and aligns with your business requirements.
  
  
  
  Transport Changes:
  
  If you are working in a development environment, ensure that any changes made are transported to the production environment properly.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SNRO: Number Range Objects
  OBD4: Assign Document Types to Number Ranges
  OBA7: Define Document Types for Financial Accounting
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on managing number ranges and document types.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or provide additional guidance related to this error.
  
  By following these steps, you should be able to resolve the F7120 error and properly configure your number ranges and document types in SAP.