How To Fix IDOC_METADATA421 - Enter a port name

SAP Error Message - Details

• 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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

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 defined in the partner profile. If it is missing, add the appropriate port.
  
  
  
  Define Port:
  
  Go to transaction code WE21.
  Check if the port you are trying to use is defined. If not, create a new port with the necessary parameters (e.g., type, communication method).
  
  
  
  Review IDoc Type:
  
  Ensure that the IDoc type being used has the correct settings and is associated with the right port.
  
  
  
  Check Configuration:
  
  Review the configuration settings for the IDoc processing in the relevant transaction (e.g., WE30 for IDoc types, WE41 for processing codes).
  Make sure that all necessary parameters are filled out correctly.
  
  
  
  Testing:
  
  After making the necessary changes, test the IDoc processing again to see if the error persists.
  
  
  
  Related Information:
  
  IDoc Basics: IDocs (Intermediate Documents) are used in SAP for data interchange between systems. They require proper configuration of ports, partner profiles, and message types.
  Transaction Codes:
  
  WE20: Partner Profiles
  WE21: Port Definition
  WE30: IDoc Types
  WE41: Processing Codes
  
  
  Documentation: Refer to SAP Help documentation for detailed information on IDoc configuration and troubleshooting.
  
  If the issue persists after checking the above configurations, it may be beneficial to consult with your SAP Basis or technical team for further investigation.