How To Fix IDOC_METADATA418 - To display a structure you must first select an IDoc type

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 418

• Message text: To display a structure you must first select an IDoc type

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDOC_METADATA418 - To display a structure you must first select an IDoc type ?

  The SAP error message IDOC_METADATA418, which states "To display a structure you must first select an IDoc type," typically occurs when you are trying to view or work with the metadata of an IDoc structure without having selected a specific IDoc type first. This error is common in scenarios where users are navigating through the IDoc interface in SAP.
  Cause:
  The error is caused by the following reasons:
  
  No IDoc Type Selected: You have not selected an IDoc type before attempting to display its structure.
  Incorrect Navigation: You may have navigated to the display structure option without first specifying an IDoc type.
  User Interface Issue: There might be a glitch or oversight in the user interface where the IDoc type selection is not clear or is missed.
  
  Solution:
  To resolve this error, follow these steps:
  
  
  Select an IDoc Type:
  
  Navigate to the IDoc processing transaction (e.g., WE30 for IDoc types).
  Ensure that you select a specific IDoc type from the list or input the IDoc type name directly.
  
  
  
  Access the Structure:
  
  Once you have selected the IDoc type, you can then proceed to display the structure by using the appropriate options (e.g., clicking on "Display" or "Structure").
  
  
  
  Check for User Authorization:
  
  Ensure that you have the necessary authorizations to view IDoc types and their structures. Lack of permissions can sometimes lead to unexpected behavior.
  
  
  
  Refresh the Interface:
  
  If you suspect a UI issue, try refreshing the screen or logging out and back into the SAP system.
  
  
  
  Related Information:
  
  IDoc Types: IDocs (Intermediate Documents) are used in SAP for data interchange between systems. Each IDoc type has a specific structure that defines the data it can carry.
  Transaction Codes:
  
  WE30: Create/Change IDoc Types
  WE31: Create/Change IDoc Segments
  WE60: IDoc Documentation
  
  
  SAP Documentation: Refer to SAP Help Portal or the specific documentation for IDocs for more detailed information on how to work with IDoc types and structures.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or technical support team for further assistance.