How To Fix M8820 - All documents (&1) with same document number are selected

SAP Error Message - Details

• Message type: E = Error

• Message class: M8 - Invoice Verification/Valuation

• Message number: 820

• Message text: All documents (&1) with same document number are selected

What causes this issue?

You selected the following document using the input help: &V1&. In the
output list there are a number of documents with the same document
number.
Variable &V1& contains the Freight Order, Bill of Lading etc.

System Response

All documents with the same document number are transferred.

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?

Procedure for System Administrators

By default, this message is set as an information message. You can set
the attributes of the system message in Customizing for <LS>Logistics
Invoice Verification</> under <DS:SIMG.SIMG_CFMENUOLMROMRM>Define
Attributes of System Messages</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M8820 - All documents (&1) with same document number are selected ?

  The SAP error message M8820 indicates that there are multiple documents with the same document number in the system, which can lead to confusion or issues when trying to process or display these documents. This error typically occurs in the context of inventory management or material document processing.
  
  Cause:
  The primary cause of this error is that the system has detected multiple entries (documents) that share the same document number. This can happen due to various reasons, such as:
  
  Duplicate Document Creation: Multiple transactions may have been entered with the same document number, either due to user error or system issues.
  Data Migration Issues: If data was migrated from another system, it may have resulted in duplicate document numbers.
  
  Configuration Issues: Incorrect configuration in the document number assignment settings can lead to duplicates.
  
  
  Solution:
  To resolve the M8820 error, you can take the following steps:
  
  
  Identify Duplicate Documents:
  
  Use transaction codes like MB03 (Display Material Document) or MB51 (Material