How To Fix CL_SADL_GW_MDE_MSG012 - XML type & not found

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_SADL_GW_MDE_MSG -

• Message number: 012

• Message text: XML type & not found

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 CL_SADL_GW_MDE_MSG012 - XML type & not found ?

  The SAP error message CL_SADL_GW_MDE_MSG012 typically indicates that there is an issue with the XML type not being found in the context of the SAP Gateway and the SADL (SAP ABAP Programming Model for SAP Fiori) framework. This error can occur when the system is unable to locate the specified XML type that is expected in the data model or service definition.
  Causes:
  
  Missing XML Type Definition: The XML type that is being referenced in the service or data model may not be defined or may have been deleted.
  Incorrect Service Configuration: The OData service may not be properly configured to include the required XML type.
  Transport Issues: If the XML type was recently transported from another system, there may have been issues during the transport process.
  Namespace Issues: There may be a mismatch in the namespace or naming conventions used in the XML type definition.
  Versioning Issues: The version of the service being called may not match the version where the XML type is defined.
  
  Solutions:
  
  Check XML Type Definition: Verify that the XML type is correctly defined in the relevant data model. You can do this by checking the ABAP Dictionary (SE11) or the relevant service definition.
  Rebuild the Service: If the service is not properly configured, you may need to regenerate or rebuild the OData service using transaction /IWFND/MAINT_SERVICE.
  Transport Check: If the XML type was recently transported, check the transport logs for any errors and ensure that all necessary objects were included in the transport request.
  Namespace Verification: Ensure that the namespace used in the XML type matches the expected namespace in the service definition.
  Debugging: Use transaction SE80 or SE37 to debug the relevant code and identify where the error is occurring. This can provide insights into why the XML type is not being found.
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as there may be fixes related to this issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for the error message or related keywords in the SAP Support Portal.
  Documentation: Review the official SAP documentation for SADL and OData services to ensure that you are following best practices for defining and using XML types.
  Community Forums: Consider checking SAP Community forums or other online resources where similar issues may have been discussed.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.