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entityframeworkcore
How to fix "System.InvalidOperationException: The property 'ItemBody.AdditionalData' could not be mapped because it is of type 'IDictionary', which is not a supported primitive type or a valid entity type. Either explicitly map this property, or ignore it using the '[NotMapped]' attribute or by using 'EntityTypeBuilder.Ignore' in 'OnModelCreating'." in .NET 7 and Entity Framework?
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