response: Unhandled exception: ExecuteNonQuery requires an open and available Connection. The connection's current state is closed.
Exception caught: Data at the root level is invalid. Line 1, position 1. ~ at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.ParseRootLevelWhitespace()
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
at System.Xml.XmlDocument.Load(XmlReader reader)
at System.Xml.XmlDocument.LoadXml(String xml)
at SysProHelper.QuerySysPro(String callType, String endpoint, String inputXml)