ExtensibleXmlParser error : Invalid content was found starting with element ... One of '{"http://www.omg.org/spec/BPMN/20100524/MODEL":artifact ... }' is expected in BPM Suite

Issue

• I get the following error when I start a container.

2018-01-12 21:19:27,477 ERROR [org.drools.core.xml.ExtensibleXmlParser][690] (EJB default - 1) Process Info: id:com.sample.MyProcess, pkg:com.sample, name:MyProcess, version:1.0
Node Info: id:_CEF4EC36-3FC5-471F-817B-AE5B193138CA name:MyScriptTask
Parser message: (null: 123, 234): cvc-complex-type.2.4.a: Invalid content was found starting with element 'bpmn2:scriptTask'. One of '{"http://www.omg.org/spec/BPMN/20100524/MODEL":artifact, "http://www.omg.org/spec/BPMN/20100524/MODEL":resourceRole, "http://www.omg.org/spec/BPMN/20100524/MODEL":correlationSubscription, "http://www.omg.org/spec/BPMN/20100524/MODEL":supports}' is expected.