An exception occurred while iterating over the results of a query for context type 'xxx.Data.Dal.yyyDbContext'. Microsoft.Data.SqlClient.SqlException (0x80131904): Conversion failed when converting ...
('SELECT DISTINCT CONVERT(datetime2, CONVERT(varchar(4), ' "[MonthlyUserSummary].[Month]) + '/01/01') AS [datetimefield] FROM " '[MonthlyUserSummary] WHERE ...