Error when run Install-SPOSolution , Uninstall-SPOSolution ,Add-SPOSolution

Jan 6, 2015 at 11:14 PM
Get error "format-default : The collection has not been initialized. It has not been requested or the request has not been executed. It may need to be
explicitly requested.
+ CategoryInfo          : NotSpecified: (:) [format-default], CollectionNotInitializedException
+ FullyQualifiedErrorId : Microsoft.SharePoint.Client.CollectionNotInitializedException,Microsoft.PowerShell.Commands.FormatDefaultCommand"
when run the above commands, the command works but failed to continue with the error