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https://nishantrana.me/2018/12/18/system-aggregateexception-one-or-more-errors-occurred-ssis-integration-toolkit-for-microsoft-dynamics-365-error-in-kingswaysofts-ssis-integration-toolkit/
System.AggregateException: One or more errors occurred. (SSIS Integration Toolkit for Microsoft Dynamics 365) error in KingswaySoft’s SSIS Integration Toolkit