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[sthompson32780]

If you specify AsNoTracking on a query, it throws an error -

System.InvalidOperationException: 'variable 'materializationContext' of type 'Microsoft.EntityFrameworkCore.Storage.MaterializationContext' referenced from scope '', but it is not defined'

Example:

var list = (from e in context.Config select e).AsNoTracking().ToList();

[bubibubi]

I could reproduce the problem with EF 2.1.0. It seems to be an EF 2.1.0 bug now closed. https://github.com/aspnet/EntityFrameworkCore/issues/11689 Could you confirm that with EF 2.1.1 works?

[sthompson32780]

Still occurring on the 2.1.2 release when returning a list -

System.InvalidOperationException: 'variable 'materializationContext' of type 'Microsoft.EntityFrameworkCore.Storage.MaterializationContext' referenced from scope '', but it is not defined'

Note: I do not get this error when I use Sqlite provider.