su: ignoring --preserve-environment, it's mutually exclusive with --login

Attaching package: ‘shinydashboardPlus’

The following object is masked from ‘package:graphics’:

    box


Attaching package: ‘dplyr’

The following objects are masked from ‘package:stats’:

    filter, lag

The following objects are masked from ‘package:base’:

    intersect, setdiff, setequal, union


Attaching package: ‘shinyWidgets’

The following object is masked from ‘package:shinydashboardPlus’:

    progressBar

Loading required package: ggplot2

Attaching package: ‘plotly’

The following object is masked from ‘package:ggplot2’:

    last_plot

The following object is masked from ‘package:stats’:

    filter

The following object is masked from ‘package:graphics’:

    layout

Error in dashboardBody(tabsetPanel(id = "tab_comp", tabPanel(title = "without cutoff",  : 
  could not find function "dashboardBody"
Calls: runApp ... eval -> ..stacktraceon.. -> <Anonymous> -> tagAssert
Execution halted