Warning: tab_xtab: one argument not used by format...

[kapsner]

Executing tab_xtab produces this warning:

Warning message:
In sprintf(" <td class="summary tdata" colspan="%i">%s=%.3f · df=%i · %s=%.3f · %s=%.3f", :
one argument not used by format ' %s=%.3f · df=%i · %s=%.3f · %s=%.3f'

Minimal reproducible example:

sjPlot::tab_xtab(var.row = mtcars$gear, var.col = mtcars$carb, show.summary = TRUE, use.viewer = FALSE)