[jboss-as7-dev] No handler for id 16

When running my upload + deploy test I all of a sudden get: Have there been changes to the API that I need to follow? Thanks Heiko [Host Controller] 09:29:51,811 INFO [org.jboss.as.server.deployment] (pool-1-thread-15) Content added at location /devel/jbas7/jboss-as-pilhuhn/build/target/jboss-7.0.0.Beta3-SNAPSHOT/domain/content/ee/38293159b29dfc69aa9f140e578a2e6b606eb0/content [Host Controller] 09:29:51,915 ERROR [org.jboss.as.protocol.connection] (pool-1-thread-16) Failed to read a message: java.io.IOException: Management request failed. No handler found for id 16 [Host Controller] at org.jboss.as.protocol.mgmt.ManagementHeaderMessageHandler.handle(ManagementHeaderMessageHandler.java:65) [Host Controller] at org.jboss.as.protocol.mgmt.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:59) [Host Controller] at org.jboss.as.protocol.ConnectionImpl.safeHandleMessage(ConnectionImpl.java:254) [Host Controller] at org.jboss.as.protocol.ConnectionImpl$1$1.run(ConnectionImpl.java:213)