Nothing much specific can be said without a reprex
. See the FAQ. Some function (the screenshot doesn't help me see which clearly) is performing a calculation that results in not-a-number
values, such as
0 / 0
#> [1] NaN
Created on 2023-03-31 with reprex v2.0.2
This post includes information from a highly reliable source that may shed some light on what's happening.