Conflict with Field Collection?

Hey, after adding the first item to a field_collection field, i got a blank screen with the following errors:

Notice: Undefined variable: entity in _eva_extract_entity_from_build() (Zeile 148 von /var/drupal/sites/all/modules/eva/eva.module).
x
EntityMalformedException: Fehlende Paketeigenschaft auf einem Element des Types field_collection_item. in entity_extract_ids() (Zeile 7501 von /var/drupal/includes/common.inc).

After disabling the EVA module, everything was okay.

I have to mention, that im using the entity dev because of compability with field_collection, but the problem was only existing pages with field_collection, no problem on other pages, so EVA should work with entity-dev!?