EntityPropertyMappingAttribute に対してソースパスで指定されたプロパティ '<var>Property Name</var>' は非プリミティブ型ですが、パス内の最後のセグメントとして指定されています。

Message in Japanese (日本語)

Unlocalized message

The property '<var>Property Name</var>' specified in source path for EntityPropertyMappingAttribute is of non-primitive type while it is provided as the last segment in the path.

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Hebrew (עברית) Dutch (Nederlands) Hungarian (magyar) Finnish (suomi) Turkish (Türkçe) Chinese (Simplified) (中文(简体)) Russian (Русский) Italian (Italiano) Prior (Message) French (Français) Arabic (العربية) German (Deutsch) Korean (한국어) Czech (Čeština) Greek (Ελληνικά) Spanish (Español) Next (Message) Danish (Dansk) Chinese (Traditional) (中文（繁體）) Polish (Polski) Norwegian (Bokmal) (Norsk (Bokmål)) Swedish (Svenska) Portuguese (Brazil) (Português (Brasil))