How To Fix SADL_GW002 - During SADL fetch an error occurred: &1 &2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW -

• Message number: 002

• Message text: During SADL fetch an error occurred: &1 &2 &3 &4

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 SADL_GW002 - During SADL fetch an error occurred: &1 &2 &3 &4 ?

  The SAP error message SADL_GW002 typically occurs during the execution of a SADL (SAP ABAP Programming Model for SAP Fiori) fetch operation. This error indicates that there was an issue while trying to retrieve data from the backend system, and the placeholders &1, &2, &3, and &4 will provide specific details about the nature of the error.
  Possible Causes:
  
  Backend Service Issues: The OData service might not be properly configured or might be down.
  Authorization Issues: The user executing the fetch might not have the necessary authorizations to access the data.
  Data Model Issues: There could be inconsistencies or errors in the data model or the underlying database.
  Network Issues: There might be connectivity issues between the frontend and backend systems.
  Incorrect Query Parameters: The parameters being sent in the fetch request might be incorrect or not matching the expected format.
  
  Solutions:
  
  Check OData Service: Ensure that the OData service is active and properly configured. You can check this in the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  Review Authorizations: Verify that the user has the necessary authorizations to access the data. You can use transaction code SU53 to analyze authorization issues after the error occurs.
  Debugging: Use transaction SE80 or SE37 to debug the relevant ABAP code or OData service to identify where the error is occurring.
  Check Data Model: Review the data model for any inconsistencies or errors. Ensure that the underlying database tables are correctly populated and accessible.
  Network Connectivity: Check for any network issues that might be affecting the connection between the frontend and backend systems.
  Parameter Validation: Ensure that the parameters being sent in the fetch request are correct and conform to the expected format.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to SADL and the specific error message for any known issues or patches.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation on SADL and OData services for best practices and troubleshooting tips.
  
  If the error persists after trying the above solutions, it may be beneficial to involve your SAP Basis or development team for further investigation.