  Some implementations of variable neighborhood search based algorithms were
presented in \emph{C\'ecilia Daquin, Hamid Allaoui, Gilles Goncalves and
Tient\'e Hsu, Variable neighborhood search based algorithms for crossdock truck
assignment, RAIRO-Oper. Res., 55 (2021) 2291-2323}. This work is based on model
in \emph{Zhaowei Miao, Andrew Lim, Hong Ma, Truck dock assignment problem with
operational time constraint within crossdocks, European Journal of Operational
Research 192 (1), 2009, 105-115 }m which has been proven to be incorrect. We
reiterate and elaborate on the deficiencies in the latter and show that the
authors in the former were already aware of the deficiencies in the latter and
the proposed minor amendment does not overcome any of such deficiencies.

Discrete Mathematics