!SESSION 2014-05-13 18:14:31.344 -----------------------------------------------
eclipse.buildId=M20110210-1200
java.version=1.7.0_21
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_GB
Framework arguments:  -product org.eclipse.platform.ide
Command-line arguments:  -product org.eclipse.platform.ide -data C:\Users\spearson\workspaceMyDslTest/../runtime-EclipseApplication -dev file:C:/Users/spearson/workspaceMyDslTest/.metadata/.plugins/org.eclipse.pde.core/Eclipse Application/dev.properties -os win32 -ws win32 -arch x86 -consoleLog

!ENTRY org.eclipse.core.jobs 4 2 2014-05-13 18:15:02.803
!MESSAGE An internal error occurred during: "XtextReconcilerJob".
!STACK 0
org.eclipse.xtext.parser.ParseException: java.lang.IllegalArgumentException: Expression.exp does not exist
	at org.eclipse.xtext.parser.antlr.AbstractAntlrParser.doParse(AbstractAntlrParser.java:105)
	at org.eclipse.xtext.parser.antlr.AbstractAntlrParser.parse(AbstractAntlrParser.java:84)
	at org.eclipse.xtext.parser.antlr.AbstractAntlrParser.doParse(AbstractAntlrParser.java:62)
	at org.eclipse.xtext.parser.AbstractParser.parse(AbstractParser.java:32)
	at org.eclipse.xtext.resource.XtextResource.doLoad(XtextResource.java:164)
	at org.eclipse.xtext.linking.lazy.LazyLinkingResource.doLoad(LazyLinkingResource.java:81)
	at org.eclipse.xtext.resource.XtextResource.reparse(XtextResource.java:198)
	at org.eclipse.xtext.ui.editor.model.XtextDocument$XtextDocumentLocker.modify(XtextDocument.java:225)
	at org.eclipse.xtext.ui.editor.model.XtextDocument.internalModify(XtextDocument.java:103)
	at org.eclipse.xtext.ui.editor.reconciler.XtextReconciler.run(XtextReconciler.java:291)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)
Caused by: org.eclipse.emf.common.util.WrappedException: java.lang.IllegalArgumentException: Expression.exp does not exist
	at org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser.parse(AbstractInternalAntlrParser.java:555)
	at org.eclipse.xtext.parser.antlr.AbstractAntlrParser.doParse(AbstractAntlrParser.java:102)
	... 10 more
Caused by: java.lang.IllegalArgumentException: Expression.exp does not exist
	at org.eclipse.xtext.parser.DefaultEcoreElementFactory.set(DefaultEcoreElementFactory.java:64)
	at org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser.set(AbstractInternalAntlrParser.java:310)
	at org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser.set(AbstractInternalAntlrParser.java:317)
	at org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslParser.ruleExpression(InternalMyDslParser.java:576)
	at org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslParser.ruleIfStatement(InternalMyDslParser.java:424)
	at org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslParser.ruleMyDslModel(InternalMyDslParser.java:138)
	at org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslParser.entryRuleMyDslModel(InternalMyDslParser.java:92)
	at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser.parse(AbstractInternalAntlrParser.java:532)
	... 11 more