Reklamacija je zbog oštećene ambalaže.

The complaint is about the damaged packaging.

Breakdown of Reklamacija je zbog oštećene ambalaže.

• biti: to be
• zbog: because of
• ambalaža: packaging
• reklamacija: a customer complaint or claim

Questions & Answers about Reklamacija je zbog oštećene ambalaže.

What is the basic grammar of Reklamacija je zbog oštećene ambalaže?

It breaks down like this:

• Reklamacija — the subject, in the nominative singular
• je — is, the 3rd person singular of biti (to be)
• zbog oštećene ambalaže — a prepositional phrase meaning because of damaged packaging

So the sentence is literally structured as:

• The complaint/claim is because of damaged packaging

This is a normal Serbian way to state the reason for a complaint or claim.

Why is ambalaža written as ambalaže here?

Because the preposition zbog requires the genitive case.

The dictionary form is:

• ambalaža — nominative singular

After zbog, it changes to:

• ambalaže — genitive singular

This is very common with feminine nouns ending in -a:

• firma → firme
• greška → greške
• ambalaža → ambalaže

So:

• zbog ambalaže = because of the packaging

Why is it oštećene ambalaže, not ?