Plugin error:The caller was not authenticated by the service or The request for security token could not be satisfied because authentication failed

Error : The caller was not authenticated by the service.
Stack Trace : Server stack trace:
   at System.ServiceModel.Security.IssuanceTokenProviderBase`1.DoNegotiation(TimeSpan timeout)
   at System.ServiceModel.Security.SspiNegotiationTokenProvider.OnOpen(TimeSpan timeout)

Error : The request for security token could not be satisfied because authentication failed.
Stack Trace : at System.ServiceModel.Security.SecurityUtils.ThrowIfNegotiationFault(Message message, EndpointAddress target)

Solution:
On-Premises

• Check your plugin tool opened system timing and CRM server timing must be same or five mins different.
• Try your username as domain\username or only username.