Steps:
Install fresh instance Ez Platform v2.5.8
Add new content type with ezobjectrelationlist as Image (Translatable must not be checked)
Add new Language
Create new Content with created content type
Translate Content
Edit Content with non default language and try publish later

Actual result:
Cannot schedule content: A value is set for non translatable field definition 'image' with language 'fre-FR'

Expected result:
Can publish schedule content