An error has occurred. ERROR: Check your logs or contact the app author for clarification.

Hi, may I know why this error will occur when I publish my dashboard?

image

rsconnect::showLogs(appName="COVID19_Dashboard",streaming=TRUE)
2021-04-13T17:42:34.526370+00:00 shinyapps[3957020]: 112: renderPlotly [/srv/connect/apps/COVID19_Dashboard/app.R#583]
2021-04-13T17:42:34.526371+00:00 shinyapps[3957020]: 111: func
2021-04-13T17:42:34.526371+00:00 shinyapps[3957020]: 108: shinyRenderWidget
2021-04-13T17:42:34.526379+00:00 shinyapps[3957020]: 94: renderFunc
2021-04-13T17:42:34.526379+00:00 shinyapps[3957020]: 93: output$linestate
2021-04-13T17:42:34.526384+00:00 shinyapps[3957020]: 12: fn
2021-04-13T17:42:34.526385+00:00 shinyapps[3957020]: 7: connect$retry
2021-04-13T17:42:34.526385+00:00 shinyapps[3957020]: 5: eval
2021-04-13T17:42:34.532900+00:00 shinyapps[3957020]: 113: ggplot
2021-04-13T17:42:34.532901+00:00 shinyapps[3957020]: 112: renderPlotly [/srv/connect/apps/COVID19_Dashboard/app.R#613]
2021-04-13T17:42:34.532901+00:00 shinyapps[3957020]: 111: func
2021-04-13T17:42:34.532902+00:00 shinyapps[3957020]: 108: shinyRenderWidget
2021-04-13T17:42:34.532911+00:00 shinyapps[3957020]: 7: connect$retry
2021-04-13T17:42:34.532912+00:00 shinyapps[3957020]: 6: eval
2021-04-13T17:42:34.532912+00:00 shinyapps[3957020]: 5: eval
2021-04-13T17:42:34.532911+00:00 shinyapps[3957020]: 13: runApp
2021-04-13T17:42:34.532911+00:00 shinyapps[3957020]: 12: fn
2021-04-13T17:42:34.532910+00:00 shinyapps[3957020]: 93: output$stateBarGraph
2021-04-13T17:42:34.526379+00:00 shinyapps[3957020]: 107: func
2021-04-13T17:42:34.526380+00:00 shinyapps[3957020]: 13: runApp
2021-04-13T17:42:34.528778+00:00 shinyapps[3957020]: Warning: Error in ggplot: object 'STATECASES' not found
2021-04-13T17:42:34.526385+00:00 shinyapps[3957020]: 6: eval
2021-04-13T17:42:34.532903+00:00 shinyapps[3957020]: 94: renderFunc
2021-04-13T17:42:34.532902+00:00 shinyapps[3957020]: 107: func
2021-04-13T17:47:39.267844+00:00 shinyapps[3957020]: Warning: Error in ggplot: object 'KELANTAN_DISTRICT' not found
2021-04-13T17:47:39.286090+00:00 shinyapps[3957020]: 113: ggplot
2021-04-13T17:47:39.286093+00:00 shinyapps[3957020]: 112: renderPlotly [/srv/connect/apps/COVID19_Dashboard/app.R#710]
2021-04-13T17:47:39.286093+00:00 shinyapps[3957020]: 111: func
2021-04-13T17:47:39.286094+00:00 shinyapps[3957020]: 107: func
2021-04-13T17:47:39.286094+00:00 shinyapps[3957020]: 108: shinyRenderWidget
2021-04-13T17:47:39.286094+00:00 shinyapps[3957020]: 94: renderFunc
2021-04-13T17:47:39.286095+00:00 shinyapps[3957020]: 93: output$kelantanDistrict
2021-04-13T17:47:39.286095+00:00 shinyapps[3957020]: 13: runApp
2021-04-13T17:47:39.286124+00:00 shinyapps[3957020]: 12: fn
2021-04-13T17:47:39.286126+00:00 shinyapps[3957020]: 7: connect$retry
2021-04-13T17:47:39.286126+00:00 shinyapps[3957020]: 6: eval
2021-04-13T17:47:39.286127+00:00 shinyapps[3957020]: 5: eval
2021-04-13T17:47:39.288858+00:00 shinyapps[3957020]: Warning: Error in exprFunc: object 'KELANTAN' not found
2021-04-13T17:47:39.292912+00:00 shinyapps[3957020]: 115: exprFunc
2021-04-13T17:47:39.292914+00:00 shinyapps[3957020]: 114: widgetFunc
2021-04-13T17:47:39.292914+00:00 shinyapps[3957020]: 113: htmlwidgets::shinyRenderWidget
2021-04-13T17:47:39.292915+00:00 shinyapps[3957020]: 99: renderFunc
2021-04-13T17:47:39.292915+00:00 shinyapps[3957020]: 112: func
2021-04-13T17:47:39.292916+00:00 shinyapps[3957020]: 98: renderFunc
2021-04-13T17:47:39.292916+00:00 shinyapps[3957020]: 94: renderFunc
2021-04-13T17:47:39.292917+00:00 shinyapps[3957020]: 93: output$kelantan
2021-04-13T17:47:39.292917+00:00 shinyapps[3957020]: 13: runApp
2021-04-13T17:47:39.292917+00:00 shinyapps[3957020]: 12: fn
2021-04-13T17:47:39.292918+00:00 shinyapps[3957020]: 7: connect$retry
2021-04-13T17:47:39.292918+00:00 shinyapps[3957020]: 6: eval
2021-04-13T17:47:39.292944+00:00 shinyapps[3957020]: 5: eval

It seems your data is not been loaded successfully, can you show your code? Or even better, a reproducible example (reprex) illustrating your issue? Please have a look at these resources, to see how to create one for a shiny app

https://mastering-shiny.org/action-workflow.html#getting-help

Thank you, it works successfully after I reload again.

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