Unable to extend Organization Entity

Hello Guys.
We have spent some time on attempts to extend the Organization entity using Entity Management GUI with no luck. What we are trying to achieve is to create ManyToMany or OneToMany relation with other entity (we have tried different entities).
The element for assigning the related entities was successfully added on the Organization edit/update form. However, each time on attempt to save the Organization we are getting the following error:
Fatal error: Call to a member function add() on a non-object in .../vendor/oro/platform/src/Oro/Bundle/FormBundle/Form/EventListener/MultipleEntitySubscriber.php on line 60


Looks like the

$form->getData()

1	$form->getData()

returns nothing in the corresponding method.
Any help is very appreciated. Thank you.

Topic

[Yurii MuratovParticipant]

Hi, @rogyar. What version of platform do you use?

[RogyarParticipant]

Hello Yurii. We use 1.7 at this moment.
The issue appears on both 1.7 and 1.6.
Thanks

[Stepan YudinParticipant]

In my case there is almost the same problem.

When i try to access entity in form event listener by $form->getData() it returns an object. But it is a proxy with NULLs in fields that should contain linked entities (Many-to-One relation). How can i get’ em? If i try to get object and linked objects in controller action via chain of getters calls – everything is ok. Really strange behaviour (

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[Author]

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