Issue
When publish the workflow, this error might occurs:
soap:ServerServer was unable to process request. ---> Failed to publish workflow: <Error>Failed to open config file</Error>
soap:ServerServer was unable to process request. ---> Failed to publish workflow: <Error>Failed to open config file</Error>
Resolution
- Go to SharePoint Designer and navigate to ‘All Files’
- Right click on the "Workflows" folder and click ‘properties’.
- On the properties screen click ‘Administration Web Page’.
- Go to ‘Versioning Settings’ and ensure that ‘Create major versions’ is selected and not ‘Create major and minor (draft) versions’.
Error Code
soap:ServerServer was unable to process request. ---> Failed to publish workflow: Failed to open config file