Hi , I got an error will executing a PLUGIN in ISOLATION mode ,

ERROR :   The plug-in execution failed because no Sandbox Hosts are currently available. Please check that you have a Sandbox server configured and that it is running. System.ServiceModel.EndpointNotFoundException: Microsoft Dynamics CRM has experienced an error. Reference number for administrators or support: #357E9BEE

There are several cause for this error but most commom is : CRM Sandbox service is not running

OTHER RESOLUTION : Start / Restart the Sandbox services 

Right click ans start the services

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