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


Attaching package: ‘shinyBS’

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

    addPopover, addTooltip, closeAlert, createAlert, removePopover,
    removeTooltip


Attaching package: ‘shinyWidgets’

The following object is masked from ‘package:bs4Dash’:

    progressBar


Attaching package: ‘DT’

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

    dataTableOutput, renderDataTable


Attaching package: ‘igraph’

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

    decompose, spectrum

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

    union


Attaching package: ‘dplyr’

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

    as_data_frame, groups, union

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: ‘plotly’

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

    last_plot

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

    groups

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

    filter

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

    layout


Attaching package: ‘purrr’

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

    compose, simplify

The following object is masked from ‘package:data.table’:

    transpose

Loading required package: shinydashboardPlus

Attaching package: ‘shinydashboardPlus’

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

    progressBar

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

    accordion, accordionItem, appButton, attachmentBlock, blockQuote,
    box, boxComment, boxDropdown, boxDropdownItem, boxLabel, boxPad,
    boxProfile, boxProfileItem, boxSidebar, carousel, carouselItem,
    controlbarItem, controlbarMenu, dashboardBadge,
    dashboardControlbar, dashboardFooter, dashboardHeader,
    dashboardPage, dashboardSidebar, dashboardUser, dashboardUserItem,
    descriptionBlock, dropdownDivider, loadingState, messageItem,
    notificationItem, productList, productListItem, progressBar,
    renderUser, skinSelector, socialBox, starBlock, taskItem,
    timelineBlock, timelineEnd, timelineItem, timelineItemMedia,
    timelineLabel, timelineStart, updateAccordion, updateBox,
    updateBoxSidebar, updateControlbar, updateControlbarMenu,
    updateSidebar, updateUserMessages, userBlock, userBox,
    userDescription, userList, userListItem, userMessage, userMessages,
    userOutput, userPost, userPostMedia, userPostTagItem,
    userPostTagItems

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

    box

Warning: The select input "mylist" contains a large number of options; consider using server-side selectize for massively improved performance. See the Details section of the ?selectizeInput help topic.

Listening on http://127.0.0.1:37931
createTcpServer: address already in use
Error in initialize(...) : Failed to create server
Calls: runApp ... startApp -> startServer -> <Anonymous> -> initialize
Execution halted