How To Fix O9420 - Document &1 has already been goods-issued. No further allocation possible

O9420 - Overview

• Message type: E = Error

• Message class: O9 - IS-Oil: TD - Scheduling, loading, delivery confirmation

• Message number: 420

• Message text: Document &1 has already been goods-issued. No further allocation possible

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.

Unfortunately, there isn't any extra information in this error notice.

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O9420 - Details

• The SAP error message O9420 indicates that a document (usually a material document related to goods movement) has already been goods-issued, and therefore, no further allocation or goods movement can be performed against that document. This typically occurs in the context of inventory management or logistics processes.
  
  Cause:
  
  Goods Movement Already Completed: The document in question has already been processed for a goods issue, meaning that the inventory has already been reduced for that specific transaction.
  Duplicate Processing: There may have been an attempt to process the same goods issue transaction again, which is not allowed.
  Incorrect Document Reference: The document number being referenced may not correspond to an open or valid transaction for further processing.
  System Configuration: There may be specific configurations or settings in the system that prevent further processing of goods issues for certain document types.
  
  
  Solution:
  
  Check Document Status: Verify the status of the document in question. You can do this by checking