pf2e.fyi
From Pathfinder Adventure Path: Gatewalkers, which isn't enabled.

Scholar's Hunch

FEAT 8
ARCHETYPEFORTUNEOCCULT
Archetype Oatia Skysage
Prerequisites Oatia Skysage Dedication
Frequency once per hour
Trigger You fail a Lore or Occultism skill check.

Scholarly debates have taught you to think on your feet. Reroll the failed check and use the new result.

Pathfinder Adventure Path: GatewalkersORC