Possible error in ADL-parser

This is the archetype in which the error occurs
archetypes/dev/adl/test/basics/adl-test-entry.assumed_types.draft.adl

regards
Bert Verhees

se.acode.openehr.parser.ParseException: Encountered "1995" at line 51,
column 49.
Was expecting:
    <V_DATE> ...

        at
se.acode.openehr.parser.ADLParser.generateParseException(ADLParser.java:7070)
        at
se.acode.openehr.parser.ADLParser.jj_consume_token(ADLParser.java:6932)
        at se.acode.openehr.parser.ADLParser.date_value(ADLParser.java:1905)
        at se.acode.openehr.parser.ADLParser.c_date(ADLParser.java:3569)
        at
se.acode.openehr.parser.ADLParser.c_primitive(ADLParser.java:2592)
        at
se.acode.openehr.parser.ADLParser.c_primitive_object(ADLParser.java:2582)
        at se.acode.openehr.parser.ADLParser.c_object(ADLParser.java:2484)
        at
se.acode.openehr.parser.ADLParser.c_attr_values(ADLParser.java:2674)
        at
se.acode.openehr.parser.ADLParser.c_attribute(ADLParser.java:2646)
        at
se.acode.openehr.parser.ADLParser.c_complex_object_body(ADLParser.java:2439)
        at
se.acode.openehr.parser.ADLParser.c_complex_object(ADLParser.java:2422)
        at se.acode.openehr.parser.ADLParser.cadl_text(ADLParser.java:2388)
        at
se.acode.openehr.parser.ADLParser.arch_definition(ADLParser.java:682)
        at se.acode.openehr.parser.ADLParser.archetype(ADLParser.java:276)
        at se.acode.openehr.parser.ADLParser.parse(ADLParser.java:100)
        at
se.liu.imt.ae.controller.ArchetypeManager.createArchetype(ArchetypeManager.java:172)
        at
se.liu.imt.ae.controller.ArchetypeManager.openArchetype(ArchetypeManager.java:154)
        at
se.liu.imt.ae.controller.FileManager.openFile(FileManager.java:389)
        at se.liu.imt.ae.controller.Controller.openFile(Controller.java:306)
        at se.liu.imt.ae.view.ToolBar$1.actionPerformed(ToolBar.java:46)
        at
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
        at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
        at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
        at
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
        at
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
        at java.awt.Component.processMouseEvent(Component.java:5517)
        at javax.swing.JComponent.processMouseEvent(JComponent.java:3135)
        at java.awt.Component.processEvent(Component.java:5282)
        at java.awt.Container.processEvent(Container.java:1966)
        at java.awt.Component.dispatchEventImpl(Component.java:3984)
        at java.awt.Container.dispatchEventImpl(Container.java:2024)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
        at
java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
        at java.awt.Container.dispatchEventImpl(Container.java:2010)
        at java.awt.Window.dispatchEventImpl(Window.java:1791)
        at java.awt.Component.dispatchEvent(Component.java:3819)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
        at
se.liu.imt.ae.fundamental.MyEventQueue.dispatchEvent(MyEventQueue.java:24)
        at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
        at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
        at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
        at
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)