Solved: Could not load type error when importing Microsoft.Online.SharePoint.PowerShell

How to fix error: could not load type 'Microsoft.SharePoint.Administration.DesignPackageType' error when import Microsoft.Online.SharePoint.PowerShell module

Code to uninstall:

Uninstall-Module -Name Microsoft.Online.SharePoint.PowerShell -AllVersions

Code to reinstall again:

Import-Module -Name Microsoft.Online.SharePoint.PowerShell