How To Fix GW773 - Function call invalid due to current connection state

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 773

• Message text: Function call invalid due to current connection state

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 GW773 - Function call invalid due to current connection state ?

  The SAP error message GW773: Function call invalid due to current connection state typically occurs in the context of SAP Gateway or when using OData services. This error indicates that there is an issue with the connection state when trying to execute a function call, which can be due to various reasons.
  Causes:
  
  Session Timeout: The user session may have timed out, leading to an invalid connection state.
  Network Issues: There may be network connectivity problems between the client and the SAP server.
  Incorrect Configuration: The SAP Gateway or OData service may not be configured correctly.
  Authorization Issues: The user may not have the necessary authorizations to perform the requested operation.
  Service Not Active: The OData service being called may not be active or properly registered in the SAP system.
  Backend System Issues: There may be issues with the backend system that the Gateway is trying to connect to.
  
  Solutions:
  
  Check Session State: Ensure that the user session is still active. If it has timed out, re-authenticate and try again.
  Network Connectivity: Verify that there are no network issues. Check if you can reach the SAP server from your client machine.
  Service Activation: Ensure that the OData service is active. You can check this in the SAP Gateway using transaction code /IWFND/MAINT_SERVICE.
  Authorization Check: Verify that the user has the necessary authorizations to access the service. Check the roles assigned to the user.
  Review Configuration: Check the configuration of the SAP Gateway and ensure that it is set up correctly. This includes checking the connection settings and any relevant parameters.
  Check Backend System: If the Gateway is connecting to a backend system, ensure that the backend is up and running and that there are no issues with it.
  
  Related Information:
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  /IWFND/GW_CLIENT: To test OData services directly.
  
  
  Logs and Traces: Check the SAP Gateway logs and traces for more detailed error messages that can provide additional context.
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide patches and updates.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.