Erratum: Helicity amplitudes without gauge cancellation for electroweak processes Junmou Chen, Kaoru Hagiwara, Junichi Kanzaki and Kentarou Mawatari Eur. Phys. J. C, 84 1 (2024) 97 Published online: 29 January 2024 DOI: 10.1140/epjc/s10052-024-12452-y