Troubleshooting: Workflow was not saved Unknown Error XmlException
When trying to save a workflow to Gallery, the below error is observed:
Workflow was not saved
Unknown Error XMLException RequestID...

Environment
Diagnosis
- Does the file name of the workflow contains an URL restricted character (i.e. an ampersand "&")? If so, see Solution A.
- Does an Interface tool contain a URL restrictedcharacter in it's message section?(i.e. an ampersand "&")? If so, see Solution B.
Solution A
Delete the URL restricted character in the file name and re-upload the workflow. Please note that as a best practice no special characters should be used in workflow file names.
Solution B
Delete the URL restricted character in the message section of the Interface tool in the workflow and re-upload the workflow.
As always if you encounter issues and require further assistance please feel free to reach out to Customer Support.