Arch in ProBuilder 5.07

I am trying to create an arch as part of a circle with an angle of 60 degrees. But it doesn’t work. Is this a bug or am I doing it wrong? It works normaly in ProBuilder ver. 4.xx
Mac OS Ventura 13.2.1, Macbook Pro M1 Max, Unity 2021.3.23f1, ProBuilder 5.07

See the gif with problem below

8993173--1238371--ProBuilderArchProblem.gif

It works normaly in ProBuilder ver. 4.4.0
See the gif below
8993197--1238377--ProBuilderArchWithoutProblem.gif