ACD-Model depends on MessageSendDebugAction ??? may be this one is the fix package: 'ACD-Model' with: [spec requires: #('NewDebugger-Core' 'DebuggerActions)]; in AnnouncerCentricDebugger To me I think that it would be good to have a Moosedev and a MooseDeployment part because we have many differnt frameworks in the system Stef