Intellij Not recognizing grails tags in GSP

Intellij is not recognizing (Grails) 'resource' plugin or spring security tags like r:require or sec:acccess. In the editor window, r:require is marked red, with message "Element r:require is not allowed here. The auto complete does not show any of the plugin taglib tags.

I think it was working before when imported the project as a "Grails" project. Now I am importing it as a "Gradle" project.

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*Imported from [IDEA-123119](https://youtrack.jetbrains.com/issue/IDEA-123119) · Type: Bug · Votes: 1*
*Comments, attachments, dates and reporter are not part of the export — follow the link above for the full history.*

Start by reproducing the issue in IntelliJ with the project imported as Gradle rather than Grails. Check GSP editor handling for the resource and Spring Security taglib tags, including r:require and sec:acccess; done means the tags are no longer marked invalid and appear in autocomplete.

Written by the indexing model from the issue text.