Error building bioacoustics (0.2.0.9001). Build exited with non-zero status: 1

I was trying to deploy an r web app to shinyapps.io using RStudio 1.1.463 for Mac OS Mojave. The R Version i'm using is R 3.5.3. It returned an error message:

Error: Unhandled Exception: Child Task 624864660 failed: Error building image: Error building bioacoustics (0.2.0.9001). Build exited with non-zero status: 1

I've installed and double-checked all packages required and everything is there. Is there any way to solve this?

A post was merged into an existing topic: Failed to deploy app

Duplicated post Failed to deploy app