How To Fix EB002 - Company code for document number specification (&1) must be unique

EB002 - Overview

• Message type: E = Error

• Message class: EB - IS-U invoicing

• Message number: 002

• Message text: Company code for document number specification (&1) must be unique

What causes this issue?

One company code is allocated to a billing document.

System Response

A selection cannot be made by billing document.

How to fix this error?

Specify only one company code for document number specification.

Error message extract from SAP system. Copyright SAP SE.

EB002 - Details

• The SAP error message EB002 indicates that there is a problem with the uniqueness of the company code for a specified document number. This error typically occurs when you are trying to post a document (such as an invoice, journal entry, etc.) in SAP, and the system finds that the combination of the document number and company code is not unique.
  
  Cause:
  
  Duplicate Document Number: The document number you are trying to use has already been assigned to another document within the same company code.
  Incorrect Document Number Range: The document number range for the company code may not be set up correctly, leading to conflicts.
  Posting in the Wrong Company Code: You might be trying to post a document in a company code that is not intended for that document number.
  Data Entry Error: There may be a typographical error in the document number or company code.
  
  
  Solution:
  
  
  Check Existing Documents: Verify if the document number