Unable to run Cucumber feature

I've just installed the community edition of IntelliJ and the Cucumber integration. When I try to run a feature, I get the error below. How do I fix this? I have cucumber-core 2.0.1 and gherkin 4.1.3.

Thanks.

Exception in thread "main" java.lang.NoClassDefFoundError: gherkin/formatter/Formatter
 at java.lang.ClassLoader.defineClass1(Native Method)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
 at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
 at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
 at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 at cucumber.runtime.formatter.PluginFactory.loadClass(PluginFactory.java:170)
 at cucumber.runtime.formatter.PluginFactory.pluginClass(PluginFactory.java:162)
 at cucumber.runtime.formatter.PluginFactory.getPluginClass(PluginFactory.java:214)
 at cucumber.runtime.formatter.PluginFactory.isFormatterName(PluginFactory.java:192)
 at cucumber.runtime.RuntimeOptions$ParsedPluginData.addPluginName(RuntimeOptions.java:472)
 at cucumber.runtime.RuntimeOptions.parse(RuntimeOptions.java:156)
 at cucumber.runtime.RuntimeOptions.<init>(RuntimeOptions.java:114)
 at cucumber.runtime.RuntimeOptions.<init>(RuntimeOptions.java:107)
 at cucumber.runtime.RuntimeOptions.<init>(RuntimeOptions.java:99)
 at cucumber.api.cli.Main.run(Main.java:31)
 at cucumber.api.cli.Main.main(Main.java:18)
Caused by: java.lang.ClassNotFoundException: gherkin.formatter.Formatter
 at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
 ... 23 more