Parent-link fields sit empty on 93% of customers — €775.6M of credit can't be rolled up

Parent-link fields sit empty on 93% of customers — €775.6M of credit can't be rolled up. €775.6M across 4,774 entities affected.

Why critical: it reaches €775.6M across 4,774 entities across 3 linked assets and systems, so it blocks day-to-day work and needs fixing first.