Invalid maximum instance run per hub is specified for workflow <workflow name>. The default value <Maximum Run Count Per Hub value> is used.
The value for the Maximum Run Count Per Hub property of the workflow is not valid. The Web Services Hub will use the default value.
If you do not want to use the default value, set the Maximum Run Count Per Hub property of the workflow to a valid value. Negative values are not valid. Restart the web service workflow.