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

Attaching package: ‘bs4Dash’

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

    actionButton, column, insertTab, tabsetPanel

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

    box

Loading required package: Matrix
Loaded glmnet 4.1-7

Attaching package: ‘dplyr’

The following objects are masked from ‘package:data.table’:

    between, first, last

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:bs4Dash’:

    progressBar


Attaching package: ‘shinyBS’

The following objects are masked from ‘package:bs4Dash’:

    addPopover, addTooltip, closeAlert, createAlert, removePopover,
    removeTooltip


Attaching package: ‘DT’

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

    dataTableOutput, renderDataTable


Attaching package: ‘openxlsx’

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

    createWorkbook, loadWorkbook, read.xlsx, saveWorkbook, write.xlsx


Listening on http://127.0.0.1:46061
createTcpServer: address already in use
Error in initialize(...) : Failed to create server
Calls: runApp ... startApp -> startServer -> <Anonymous> -> initialize
Execution halted