Canberra — A massive and previously unpublicised $47.8 billion budget correction has detonated inside the federal budget papers, triggering a political firestorm and raising serious questions about the Albanese government’s grip on the nation’s finances. The extraordinary adjustment — quietly embedded in recent budget documents and not highlighted to the public — is one of the largest forecasting errors ever recorded in Commonwealth budget history. Its emergence has sent shockwaves through Canberra, placing Treasurer Jim Chalmers and senior Treasury officials under intense pressure to explain how such a colossal discrepancy went unnoticed — or unmentioned — for so long. The scale of...