How To Fix SADL_GW004 - SADL could not be retrieved: &1 &2 &3 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW -

• Message number: 004

• Message text: SADL could not be retrieved: &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.

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 SADL_GW004 - SADL could not be retrieved: &1 &2 &3 &4 ?

  The SAP error message SADL_GW004 typically indicates that there is an issue with the SAP Gateway service related to the SAP Data Access Layer (SADL). This error can occur when the system is unable to retrieve data from the underlying data source, which could be due to various reasons.
  Causes:
  
  Service Not Activated: The OData service might not be activated in the SAP Gateway.
  Authorization Issues: The user might not have the necessary authorizations to access the data.
  Incorrect Configuration: There could be misconfigurations in the SADL or OData service settings.
  Data Source Issues: The underlying data source (like a database or a remote service) might be down or not reachable.
  Network Issues: There could be network connectivity issues preventing access to the data source.
  Model Issues: The data model might not be correctly defined or might have inconsistencies.
  
  Solutions:
  
  
  Activate the OData Service:
  
  Go to the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE).
  Check if the relevant OData service is activated. If not, activate it.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the data. This can be done by checking the user roles and authorizations in transaction SU01.
  
  
  
  Review Configuration:
  
  Check the configuration settings for SADL and the OData service. Ensure that all necessary parameters are correctly set.
  
  
  
  Verify Data Source:
  
  Ensure that the underlying data source is available and functioning correctly. You can test the connection to the database or service.
  
  
  
  Network Connectivity:
  
  Check for any network issues that might be preventing access to the data source. This can include firewall settings or network outages.
  
  
  
  Model Validation:
  
  Review the data model used in SADL to ensure that it is correctly defined and does not have any inconsistencies.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  /IWFND/MAINT_SERVICE: For managing OData services.
  SE80: For checking the data model and related objects.
  SU01: For user administration and authorization checks.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to SADL or the OData service.
  
  
  Logs and Traces: Use transaction SLG1 to check application logs for more detailed error messages that can provide additional context for troubleshooting.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further investigation.