Test your program with real production server get me a lot of errors

[Alex-1357]

This is my test https://github.com/Alex-1347/LibvirtNetCoreWrapper

Unfortunately, I see a lot of errors. Firstly, authentication is not working correctly, server require password in console.
Secondary, DiskDevices don't working

System.InvalidOperationException
HResult=0x80131509
Message=There is an error in the XML document.
Source=System.Private.Xml
StackTrace:
at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events)
at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader)
at Libvirt.LibvirtDomain.<get_DiskDevices>d__43.MoveNext()
at LibvirtNetCoreWrapper.Program.Main(String[] args) in E:\Projects\CryptoChestMax\LibvirtNetCoreWrapper\LibvirtNetCoreWrapper\Program.vb:line 35

This exception was originally thrown at this call stack:
Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderVirXmlDomainDisk.Read1_VirXmlDomainDiskType(string)
Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderVirXmlDomainDisk.Read11_VirXmlDomainDisk(bool, bool)
Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderVirXmlDomainDisk.Read12_disk()

Inner Exception 1:
InvalidOperationException: Instance validation error: 'block' is not a valid value for VirXmlDomainDiskType.

Third, StoragePools also don't working

and Fourth. Each loop for Vistual Machines producing error:
libvirt: Domain error : invalid domain pointer in virDomainIsActive