Q: I got “System Error 55” when ran “net statistics server” command
A. Disabling / Removing SMB1 may be caused by this issue. You can verify if SMB1 is installed or not by running the following PowerShell command.
Get-WindowsFeature -Name FS-SMB1
If the issue still persist after installing/enabling SMB1, you could check troubleshooting steps from this link for your reference.