Predictive abandonment report API returning 422 when multiplier exceeds 1.5x

The weekly abandonment analytics export just bricks the admin UI the second the pacing multiplier crosses 1.5x. It’s throwing a 422 UNPROCESSABLE_ENTITY on GET /api/v2/analytics/outbound/campaigns/{id}/detail?metric=abandon_rate. The cluster runs the Nov 2024 patch on US-East-1. Callable windows are locked to 9am-5pm EST, but the report generator won’t populate post-call wait times. Spinning save button again.