How To Fix /AIF/IDOC023 - Syntax for basic type &1 with extension &2 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/IDOC -

• Message number: 023

• Message text: Syntax for basic type &1 with extension &2 not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/IDOC023 - Syntax for basic type &1 with extension &2 not found ?

  The SAP error message /AIF/IDOC023 Syntax for basic type &1 with extension &2 not found typically occurs in the context of the Application Interface Framework (AIF) when dealing with IDocs (Intermediate Documents). This error indicates that the system is unable to find the specified syntax for the given basic type and its extension.
  Cause:
  
  Missing or Incorrect Configuration: The basic type or its extension may not be properly configured in the system. This could be due to missing entries in the relevant tables or incorrect settings.
  Transport Issues: If the IDoc type or its extension was recently transported from another system, it may not have been transported correctly, leading to missing definitions.
  Namespace Issues: If the IDoc is defined in a specific namespace, the system may not be able to locate it if the namespace is not correctly set up.
  Version Mismatch: There may be a version mismatch between the IDoc definitions in the source and target systems.
  
  Solution:
  
  Check IDoc Definitions: Verify that the basic type and its extension are correctly defined in the system. You can do this by using transaction codes like WE30 (IDoc Types) and WE31 (IDoc Segments).
  Recreate or Adjust the IDoc Type: If the IDoc type or extension is missing, you may need to recreate it or adjust the existing definitions.
  Transport Requests: If the IDoc type was transported, check the transport requests to ensure that all necessary objects were included and successfully imported.
  Namespace Configuration: Ensure that the namespace is correctly configured in your system. You can check this in transaction SE80 or SE11.
  Check for Updates: If you are using a specific version of SAP, ensure that you have the latest updates and support packages installed, as these may contain fixes for known issues.
  
  Related Information:
  
  Transaction Codes:
  
  WE30: To view and manage IDoc types.
  WE31: To view and manage IDoc segments.
  WE20: To configure partner profiles for IDocs.
  
  
  SAP Notes: Check SAP Notes related to AIF and IDocs for any known issues or patches that may address this error.
  Documentation: Review the SAP Help Portal for documentation on AIF and IDoc processing to understand the configuration and setup better.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP Basis or technical team for further investigation.