Erratum to: MHD natural convection and thermal radiation of diamond–water nanofluid around rotating elliptical baffle inside inclined trapezoidal cavityMohamed Dhia Massoudi and Mohamed Bechir Ben HamidaEur. Phys. J. Plus, 136 2 (2021) 196DOI: https://doi.org/10.1140/epjp/s13360-021-01176-7