[Data Modeler] FK aren't generated

Hello !
When I export my model to DDL PK and Unique constraint are exported correctly, but Data Modeler generate only indexes on FK and don't generate FK constraints itself.
But i've the last version of Oracle SQL Data Modeler, i'v checked the checkbox to generate FK, and I can't get theses constraints in DDL export.
Have you an idea for solving this problem ?
Benjamin Regnier

In the Preferences there is an option to to not create indexes on FK.

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