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Automerge Workflow MissingMethodException Error

If you are manually updating the latest versions of the AutomergeOnPremise Solution for Dynamics CRM 365 or installing a servicebased DocumentsCorePack for an IFD environment based on Dynamics CRM 365,  your server is required to have .net Framework version 4.6.2 installed.

(Using any of our installers will prompt you for the .net framework requirement, if not found on the target machine.)

If you only have .net 4.5.2 your workflows will terminate with the following error :

Unhandled Exception: System.MissingMethodException: Method not found: '!!0[] System.Array.Empty()'. 

Due to microsofts mandatory TLS 1.2 communication starting  July 2017 for 3rd party applications, all of our products have been moved to use .net 4.6.2

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