Erratum to: Forward Higgs production within high energy factorization in the heavy quark limit at next-to-leading order accuracyM. Hentschinski, K. Kutak and A. van HamerenEur. Phys. J. C, 81 3 (2021) 262DOI: https://doi.org/10.1140/epjc/s10052-021-08999-9