KNP/DoctrineBehavior - Translation Entities error on translation:extract command

[JakubHelis]

Q	A
Bundle version	1.5
Symfony version	4.4
PHP version	7.4

Expected behavior

Translation export command works as it does.

Actual behavior

The files using KNP/DoctrineBehavior - TranslationInterface Entities (Entity/XXXTranslation.php ) causes errors :
The class 'SomeNamepsace\Entity\SomeNameTranslation' was not found in the chain configured namespaces

Steps to reproduce

No idea.
We're just after upgarding Symfony (3.4 to 4.4 + flex) and i cannot make it running - I even tried to add to excluded_names *Translation, but it doesn't working - still the same error.
Do you have any idea how can we make it running or exclude these files?