Error in e[[2]] : subscript out of bounds
Calls: <Anonymous> ... collectUsageCall -> collectUsageArgs -> walkCode -> h -> walkCode
Execution halted
makeCode : coerce: no visible global function definition for
  ‘..isFileInput’
makeCode: no visible global function definition for ‘..coerceInputs’
makeCode: no visible global function definition for
  ‘reactiveValuesToList’
makeCode: no visible global function definition for ‘fluidPage’
makeCode: no visible global function definition for ‘titlePanel’
makeCode: no visible global function definition for ‘sidebarLayout’
makeCode: no visible global function definition for ‘sidebarPanel’
makeCode: no visible global function definition for ‘h4’
makeCode: no visible global function definition for ‘mainPanel’
makeCode: no visible global function definition for ‘conditionalPanel’
makeCode: no visible global function definition for ‘br’
makeCode: Error while checking: subscript out of bounds
makeInput.data.frame: no visible global function definition for
  ‘fileInput’
makeInput.double: no visible global function definition for
  ‘sliderInput’
makeInput.file: no visible global function definition for ‘fileInput’
makeOutput.NULL: no visible global function definition for
  ‘downloadLink’
makeOutput.NULL: no visible global function definition for ‘plotOutput’
makeOutput.character: no visible global function definition for
  ‘verbatimTextOutput’
makeOutput.data.frame: no visible global function definition for
  ‘downloadLink’
makeOutput.data.frame: no visible global function definition for
  ‘dataTableOutput’
makeOutput.file: no visible global function definition for
  ‘downloadLink’
makeOutput.list : <anonymous>: no visible global function definition
  for ‘br’
makeOutput.list : <anonymous>: no visible global function definition
  for ‘h4’
plotDownload: no visible global function definition for
  ‘downloadHandler’
plotDownload: no visible global function definition for ‘png’
plotDownload: no visible global function definition for ‘dev.off’
render.NULL: no visible global function definition for ‘renderPlot’
render.character: no visible global function definition for
  ‘renderText’
render.data.frame: no visible global function definition for
  ‘renderDataTable’
render.file: no visible global function definition for
  ‘downloadHandler’
tableDownload: no visible global function definition for
  ‘downloadHandler’
tableDownload: no visible global function definition for ‘write.csv’
Undefined global functions or variables:
  ..coerceInputs ..isFileInput br conditionalPanel dataTableOutput
  dev.off downloadHandler downloadLink fileInput fluidPage h4 mainPanel
  plotOutput png reactiveValuesToList renderDataTable renderPlot
  renderText sidebarLayout sidebarPanel sliderInput titlePanel
  verbatimTextOutput write.csv
Consider adding
  importFrom("grDevices", "dev.off", "png")
  importFrom("utils", "write.csv")
to your NAMESPACE file.

Error in e[[2]] : subscript out of bounds
Calls: <Anonymous> ... collectUsageCall -> collectUsageArgs -> walkCode -> h -> walkCode
Execution halted