Not able to add BOOTSTRAP 3.3.5 to Grails 3.1.1 Application

I am not able to configure my Grails application to use Twitter Bootstrap 3.3.5. When I add —compile "org.grails.plugins:twitter-bootstrap:3.3.5"—-to build.gradle, I get a compile error and my application will not run. See attached.

I just downloaded everything several days ago. I am working with the latest Grails 3.1.1 and IntelliJ 15.0.3.

My questions are the following:
1) How do I configure BOOTSTRAP into my application such that it works? What are the steps?

2) Do I need to copy any BOOTSTRAP jars to my project? Per the documentation, it appears that this is not needed. Correct?

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*Imported from [IDEA-151880](https://youtrack.jetbrains.com/issue/IDEA-151880) · Type: Bug · Votes: 0*
*Comments, attachments, dates and reporter are not part of the export — follow the link above for the full history.*

Start with the application's build.gradle dependency declaration and reproduce the compile error using Grails 3.1.1 and IntelliJ 15.0.3. Check the linked IDEA-151880 report and Bootstrap 3.3.5 setup documentation for the expected configuration. Done means the application runs with Bootstrap available without copying jars manually.

Written by the indexing model from the issue text.