How To Fix IDOC_METADATA421 - Enter a port name

IDOC_METADATA421 - Overview

• Message type: E = Error

• Message class: IDOC_METADATA - Messages for metadata for the IDoc adapter

• Message number: 421

• Message text: Enter a port name

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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Smart SAP Assistant

• What is the cause and solution for SAP error message IDOC_METADATA421 - Enter a port name ?

  The SAP error message IDOC_METADATA421, which states "Enter a port name," typically occurs when there is an issue with the configuration of IDoc processing in SAP. This error indicates that the system expects a port name to be specified, but it is missing or not correctly configured.
  
  Cause:
  
  Missing Port Configuration: The IDoc processing requires a port to be defined for communication. If the port is not specified in the relevant configuration, this error will occur.
  Incorrect Partner Profile: The partner profile (WE20) may not have the correct settings, including the port name.
  IDoc Type Configuration: The IDoc type being processed may not have a valid port associated with it.
  Transaction Configuration: The transaction or process that is trying to send or receive the IDoc may not have the necessary parameters set up correctly.
  
  
  Solution:
  
  
  Check Partner Profile:
  
  Go to transaction code WE20.
  Locate the partner profile that is relevant to the IDoc processing.
  Ensure that the port is correctly