Hi there, if you do a search on the forum you’ll find several posts with the same error you have received while trying to deploy your app. Maybe one of them will help? Here is one of those posts:
... Iam deploying my shiny app to shinyapps.io & all my app files(app.r,www) are all stored in my dropbox. I have loaded the rsconnect command then published the app to my account. The deployment process is successful but when I go to my app url I get the following error: Any ideas on how to solve this?
An error has occurred
The application failed to start (exited with code 1).
Attaching package: ‘DT’
The following objects are masked from ‘package:shiny’:
dataTableOutput, renderDataTable
Attaching package: ‘shinydashboard’
The following object is masked from ‘package:graphics’:
box
Loading required package: sp
rgdal: version: 1.3-4, (SVN revision 766)
Geospatial Data Abstr…