Site returns 500 Internal Server Error

[MoofyWoofy]

When accessing https://random-word-api.herokuapp.com/ it gives the following error message

java.lang.NoClassDefFoundError: Could not initialize class cask.package$
	at Main$.redir(Main.scala:48)
	at Main$.$anonfun$new$43(Main.scala:47)
	at cask.router.Result$Success.map(Result.scala:21)
	at cask.router.Result$Success.map(Result.scala:20)
	at Main$.$anonfun$new$42(Main.scala:47)
	at cask.router.EntryPoint.invoke(EntryPoint.scala:46)
	at cask.router.Decorator$.$anonfun$invoke$2(Decorators.scala:58)
	at cask.endpoints.WebEndpoint.wrapFunction(WebEndpoints.scala:14)
	at cask.endpoints.WebEndpoint.wrapFunction$(WebEndpoints.scala:12)
	at cask.endpoints.get.wrapFunction(WebEndpoints.scala:31)
	at cask.router.Decorator$.invoke(Decorators.scala:52)
	at cask.main.Main$DefaultHandler.handleRequest(Main.scala:99)
	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:360)
	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:750)

[alliyah95]

I'm getting the same error