tmmaluleke [https://community.jboss.org/people/tmmaluleke] created the discussion "Could not parse Knowledge" To view the discussion, visit: https://community.jboss.org/message/764563#764563 -------------------------------------------------------------- Hello, Can you please help me with this error I have attached my BPMN  is about the XOR gateway. Process Compilation error : org.drools.lang.descr.ProcessDescr@d4c8b0     defaultPackage/Process_defaultPackage_Student_Validating_Process_34d16590994f44cd867927657f8d2e16.java (20:872) : student cannot be resolved java.lang.IllegalArgumentException: Could not parse knowledge.     at org.drools.builder.impl.KnowledgeBuilderImpl.newKnowledgeBase(KnowledgeBuilderImpl.java:73)     at validate.ValidatingStudent.readKnowledgeBase(ValidatingStudent.java:47)     at validate.ValidatingStudent.main(ValidatingStudent.java:24) -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/764563#764563] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]