How To Fix SWK045 - HTTP handler for starting an external service cannot be read

SWK045 - Overview

• Message type: E = Error

• Message class: SWK - Messages for Workflow - Workplace Plug-In 4.0B

• Message number: 045

• Message text: HTTP handler for starting an external service cannot be read

What causes this issue?

This work item is a link to a HTTP service. To start the service, a
launch handler must be known to the SAP System.
However, the system could not find a launch handler.

System Response

The workflow system cannot start execution of the work item.

How to fix this error?

Contact your workflow administrator:
In Customizing you must maintain a launch handler for HTTP-supported
dialog services.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWK045 - HTTP handler for starting an external service cannot be read ?

  The SAP error message SWK045 indicates that the system is unable to read the HTTP handler for starting an external service. This error typically arises in the context of SAP's workflow or when trying to integrate with external services via HTTP.
  Causes:
  
  
  Configuration Issues: The HTTP handler may not be properly configured in the SAP system. This could be due to missing or incorrect settings in the relevant configuration tables.
  Authorization Problems: The user or service account attempting to access the HTTP handler may not have the necessary authorizations.
  Service Unavailability: The external service that the HTTP handler is trying to connect to may be down or unreachable.
  Network Issues: There could be network-related issues preventing the SAP system from reaching the external service.
  Incorrect URL: The URL configured for the HTTP handler may be incorrect or malformed.
  
  Solutions:
  
  
  Check Configuration:
  
  Go to transaction SWFVISU or SWF_CONFIG to review the configuration of the HTTP handler.
  Ensure that the handler is