add more than 1/6 row setting ?

Hi,

in WPBakery , I can see it has a preset for 6 column , make it like 1/6 + 1/6 + 1/6 + 1/6 + 1/6 + 1/6 + 1/6 + 1/6 + 1/6 + 1/6

in my case, if I do 6 item on mega menu , there is still a huge chunk of blank space on the right side , therefore I kind of want to make it to full 10 item

but if I manually set them to 1/10 + 1/10 ..... + 1/10 , it erros out

so I wonder if it’s max allowed for 6 items per row ?