Preconditions:

• Added Catalog through PHP API
• Added Catalog (catalog is set to displayed products only from Product Type - 'Type' filter)
• Added Catalog is a main catalog defined in ibexa.yaml file for storefront
• Added Attribute group
• Added Attributes 
• Added Product Type with defined attribute group and attributes (previous steps) 

Steps to reproduce

1. Log in to back office.
2. Go to Product catalog / Catalogs.
3. Edit Catalog from preconditions.

Actual result:

An error 500 occurred while user trying edit catalog used by storefront.

Expected result:

User can edit Catalog.