Umbarco upgrade to 7.4.0 Cannot insert duplicate key row in object 'dbo.cmsPropertyTypeGroup' with unique index 'IXcmsPropertyTypeGroupUniqueID'.

Cannot insert duplicate key row in object 'dbo.cmsPropertyTypeGroup' with unique index 'IXcmsPropertyTypeGroupUniqueID'.**

ALTER TABLE [cmsPropertyTypeGroup] ADD [uniqueID] UniqueIdentifier NOT NULL CONSTRAINT [DFcmsPropertyTypeGroupuniqueID] DEFAULT (NEWID())

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