jBPM error on Fuse: Cannot resolve 'bpmn2:tFormalExpression' to a type definition for element 'bpmn2:to'

=== Description of problem:
A parsing error occured during the installation of quickstart switchyard-quickstart-bpm-service. Quickstart works - it has proper output for its input. Problem does not occure on EAP.

=== Version-Release number of selected component (if applicable):
Switchyard 2.0.0.Alpha2

=== How reproducible:
100%

=== Steps to Reproduce:
1. features:install switchyard-quickstart-bpm-service
2. log:tail

=== Actual results:
13:16:19,592 | ERROR | yard Extender: 3 | ExtensibleXmlParser | 491 - org.drools.core - 6.1.0.20140331-2028 | (null: 169, 119): cvc-elt.4.2: Cannot resolve 'bpmn2:tFormalExpression' to a type definition for element 'bpmn2:from'.