When trying to publish a Teiid model, tried to create a publish area and received an error (see attachment for full stacktrace):

java.lang.RuntimeException: Creating the "/xmi" folder or /files node in workspace "default" failed with HTTP response code of "400"
at org.modeshape.web.jcr.rest.client.json.JsonRestClient.createFolderNode(JsonRestClient.java:195)

No error was seen on the server side.

Maybe this an issue because I don't have a newer version of ModeShape, but no updates were available when checking for software updates.