When you share a result, the source script must be packaged for the successful execution of the tool. In this case, the source script is missing.
- Remove the task from the Service Editor.
- Attempt to re-run the tool. If the tool cannot execute, fix the source to the script.
- After successfully executing the tool, Click the Add Result button in the Service Editor. Add the new result.
- Click Analyze to ensure there are no further issues with your package or service.