Kilix Template Error

Updated an outdated plugin in Joomla and now the website is down. Getting an error with bootstrap grid. Cannot find the root of the issue but there is a parsing error somewhere in the code. Here is the error I am currently getting. Can anyone help solve this issue.

0 - templates/os_kilix/less/template.less<br /> No matching definition was found for `10, 16, 23, 6` in anonymous-file-0.less

Dear Nick,

There was a small issue on your site and my developer has resolved it for you via your submitted ticket.

Sincerely, Giang