Click on Site Actions on the webpage
On the SI webpart on the webpage drop the down arrow on the right hand corner of the webpart
Select Configure
Error Message seen on the configuration page:-

“Unable to create action from WA.Core.Configurator.WAWebPartConfiguratorAction, WA.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=2b4b09f1c57c8f0bThe type initializer for ‘WA.Core.WAClassLoader’ threw an exception.
Unable to create action from WA.Core.Configurator.WAWebPartConfiguratorAction, WA.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=2b4b09f1c57c8f0bThe type initializer for ‘WA.Core.WAClassLoader’ threw an exception.
Unable to create action from WA.Core.Configurator.WAWebPartConfiguratorAction, WA.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=2b4b09f1c57c8f0bThe type initializer for ‘WA.Core.WAClassLoader’ threw an exception.

Unable to create action from WA.Core.Configurator.WAWebPartConfiguratorAction, WA.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=2b4b09f1c57c8f0bThe type initializer for ‘WA.Core.WAClassLoader’ threw an exception.
Unable to create action from WA.Core.Configurator.WAWebPartConfiguratorAction, WA.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=2b4b09f1c57c8f0bThe type initializer for ‘WA.Core.WAClassLoader’ threw an exception.
Unable to create action from WA.Core.Configurator.WAWebPartConfiguratorAction, WA.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=2b4b09f1c57c8f0bThe type initializer for ‘WA.Core.WAClassLoader’ threw an exception.
Unable to create action from WA.Core.Configurator.WAWebPartConfiguratorAction, WA.Core, Version=4.0.0.0, Culture=neutral, PublicKeyToken=2b4b09f1c57c8f0bThe type initializer for ‘WA.Core.WAClassLoader’ threw an exception.”