How To Fix IDOC_METADATA457 - Structure information not loaded; '&' missing

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 457

• Message text: Structure information not loaded; '&' missing

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_METADATA457 - Structure information not loaded; '&' missing ?

  The SAP error message IDOC_METADATA457 indicates that the structure information for an IDoc (Intermediate Document) could not be loaded because a required component is missing. This typically occurs when the system is unable to find the necessary metadata for the IDoc structure, which can be due to various reasons.
  Causes:
  
  Missing or Incomplete IDoc Metadata: The IDoc structure may not be defined correctly in the system, or the necessary metadata may not be available.
  Incorrect Configuration: The IDoc type or message type may not be configured properly in the system.
  Transport Issues: If the IDoc structure was recently transported from another system, there may have been issues during the transport process.
  Version Mismatch: There may be a version mismatch between the sender and receiver systems regarding the IDoc structure.
  Authorization Issues: The user or process attempting to access the IDoc structure may not have the necessary authorizations.
  
  Solutions:
  
  Check IDoc Metadata: Verify that the IDoc type and message type are correctly defined in the system. You can do this using transaction codes like WE30 (IDoc Types) and WE81 (Message Types).
  Recreate or Adjust IDoc Structure: If the IDoc structure is missing or incomplete, you may need to recreate it or adjust the existing structure.
  Transport Requests: If the IDoc structure was recently transported, check the transport logs for any errors. You may need to re-transport the IDoc structure or correct any issues in the transport request.
  Check Configuration: Ensure that the configuration for the IDoc processing is correct. This includes checking partner profiles (transaction WE20) and port definitions (transaction WE21).
  Authorization Check: Ensure that the user or process has the necessary authorizations to access the IDoc metadata.
  System Consistency: If you suspect a version mismatch, ensure that both the sender and receiver systems are aligned in terms of IDoc structure versions.
  
  Related Information:
  
  Transaction Codes:
  
  WE30: Display or create IDoc types.
  WE81: Display or create message types.
  WE20: Maintain partner profiles.
  WE21: Maintain ports.
  
  
  SAP Notes: Check SAP Notes related to IDoc processing for any known issues or patches that may address the problem.
  Debugging: If the issue persists, consider debugging the IDoc processing to identify where the failure occurs.
  
  By following these steps, you should be able to diagnose and resolve the IDOC_METADATA457 error in your SAP system.