How To Fix /AIF/IDOC_GEN_STR020 - &1 is not an extension of &2

/AIF/IDOC_GEN_STR020 - Overview

• Message type: E = Error

• Message class: /AIF/IDOC_GEN_STR -

• Message number: 020

• Message text: &1 is not an extension of &2

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 /AIF/IDOC_GEN_STR020 - &1 is not an extension of &2 ?

  The SAP error message /AIF/IDOC_GEN_STR020 &1 is not an extension of &2 typically occurs in the context of the Application Interface Framework (AIF) when dealing with IDoc processing. This error indicates that there is a mismatch between the expected structure of the IDoc and the actual structure being processed.
  
  Cause:
  
  
  Structure Mismatch: The IDoc structure being processed (&1) is not recognized as an extension of the expected structure (&2). This can happen if:
  
  The IDoc type or message type is incorrectly configured.
  The IDoc structure has been modified or is not properly defined in the system.
  There is a version mismatch between the IDoc definition and the data being sent.
  
  
  
  
  Configuration Issues: The configuration in AIF or the IDoc settings may not be correctly set up to handle the specific IDoc type or message type.
  
  
  Data Issues: The data being sent may not conform to the expected structure, leading to validation errors.
  
  
  
  Solution:
  
  
  Check IDoc Definitions: Verify that the