EF6 doesnt add all tables in conceptual model

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C#

ASP.NET

Oracle

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Hi guys, I have a project mvc asp.net perform with EF5 and had no problems when updating or bringing new tables , however I decided to use the EF6 to test the features but it turns out when I wanted to update the schema to add a new tables, EF6 does'nt add the tables , only added to the folder model.store but not the conceptual model , I delete the model to generate it again and EF6 just add a few tables in the model but the modified and newly created tables were added in the folder model.store

Im working with Oracle 11g.
I need your help.

thanks.

What I have tried:

I delete the model to generate it again and EF6 just add a few tables in the model but the modified and newly created tables were added in the folder model.store

Im working with Oracle 11g.