R Shiny tabsetPanel displaying strange tab name? -


i working shinydashboard , using tabsetpanel, strange name/number appears on each tabpanel in upper-left corner (like: tab-4750-1 , number changes). know how can remove it?

hint: problem appears in menuitem: tabelle & plots

code:

library(shiny) library(shinydashboard) library(ggplot2) library(scales) library(reshape2) library(plyr) library(dplyr) library(dt)   ui <- dashboardpage(   dashboardheader(),   dashboardsidebar(     sidebarmenu(       menuitem("dashboard", tabname = "dashboard", icon = icon("dashboard")),       menuitem("tabelle & plots", icon = icon("area-chart"), tabname = "tabelle")     )   ),   dashboardbody(     tabitems(       tabitem(tabname = "dashboard"        ),        tabitem(tabname = "tabelle",               tabsetpanel(id="tabs",width = null, height = "800px",  selected = 1,                           tabpanel(value=1,title="tabelle filtern",                                     fluidrow(                                      column(12,                                             box(width = null, div(style = 'overflow-y: scroll; overflow-x: scroll;max-height: 650px; position:relative;',                                                                    datatableoutput("tabelle")))))),                           tabpanel("plots", value = 2,                                    fluidrow(                                      column(12,                                              box(width = null, plotoutput("plot", height=650)),                                             box(status = "danger",width = null,div(style = 'overflow-x: scroll;position:relative;',                                                                                     datatableoutput("tabelle2")))))))        )     )   ) )  server <- function(input, output) {     }  shinyapp(ui, server)

thanks help!

cheers


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