.ToList()' could not be translated. Either rewrite the query in a form that can be translated

[wjkhappy14]

.ToList()' could not be translated. Either rewrite the query in a form that can be translated, or switch to client evaluation explicitly by inserting a call to either AsEnumerable(), AsAsyncEnumerable(), ToList(), or ToListAsync(). See https://go.microsoft.com/fwlink/?linkid=2101038 for more information.
System.InvalidOperationException: The LINQ expression '(GroupByShaperExpression:
KeySelector: (a.GroupKey),
ElementSelector:(EntityShaperExpression:
EntityType: Article
ValueBufferExpression:
(ProjectionBindingExpression: EmptyProjectionMember)
IsNullable: False
)
)