Installing Packages

Failed to install shiny package on R version 3.5.0 (2018-04-23) help me out

Hi Eric,

Welcome to the community site.

Typically the full error message is helpful in this situation.

Some system Information could be useful as well

#### System Information:
- RStudio Edition: (Desktop or Server)
- RStudio Version: 
- OS Version: 
- R Version: 

#### Also:
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- RStudio diagnostics report: <!--see /-->
- Your `sessionInfo()`:
- RStudio crash report: <!-- /-->
- RStudio application log files: <!-- /-->

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