Grails 3 Unable to resolve class grails.converters.JSON

[Pavel Zakharov]

Hello, i have some error in Grails 3 :

"unable to resolve class grails.converters.JSON

@ line 5, column 1.

  import grails.converters.JSON " -  when I try run command "gradle buid" or "grails run-app" same i use "gradle --refresh-dependencies". But problem not solved, plugin exist in External libraries and in IDE i can open source file JSON.java.