How To Fix /AIF/IDOC_GEN_STR012 - Structure &1 was already created for basic type &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/IDOC_GEN_STR -

• Message number: 012

• Message text: Structure &1 was already created for basic type &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/IDOC_GEN_STR012 - Structure &1 was already created for basic type &2 ?

  The SAP error message /AIF/IDOC_GEN_STR012 indicates that there is an attempt to create a structure for an IDoc basic type that has already been created. This typically occurs in the context of the Application Interface Framework (AIF) when working with IDocs.
  
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Structure Creation: The system is trying to create a structure for an IDoc basic type that already exists in the system.
  
  Configuration Issues: There may be a misconfiguration in the AIF settings or IDoc processing settings that leads to the system attempting to recreate an existing structure.
  Development or Customization: If there are custom developments or modifications in the IDoc processing logic, it might lead to this error if the same structure is being referenced multiple times.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Structures:
  
  Use transaction code SE11 (Data Dictionary) to check if the structure for the specified basic type already