How To Fix PO399 - Entry is made in transport request

PO399 - Overview

• Message type: E = Error

• Message class: PO - Spooler message

• Message number: 399

• Message text: Entry is made in transport request

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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PO399 - Details

• The SAP error message PO399, which states "Entry is made in transport request," typically occurs when you are trying to make changes to a transportable object (like a purchase order or other configuration) that is already included in a transport request. This can happen in various scenarios, such as when you are trying to modify a purchase order that has already been captured in a transport request for transport to another system.
  
  Cause:
  
  Transport Request Lock: The object you are trying to modify is locked because it is part of a transport request that has not yet been released.
  Development Environment: You might be working in a development environment where changes are tracked through transport requests, and the system prevents modifications to ensure consistency.
  Incomplete Transport Request: The transport request may not have been released, or it may be in a state that does not allow further changes.
  
  
  Solution:
  
  
  Check Transport Request Status: Verify the status