groovy.lang.MissingPropertyException: No such property: destPage for class

[nobeans]

$ gaiden build
Not a Gaiden project (Cannot find /tmp/gaiden/config.groovy)
Are you sure you want to continue? [y/N] y
>> my-sample.md => my-sample.html... Exception in thread "main" groovy.lang.MissingPropertyException: No such property: destPage for class: SimpleTemplateScript7
        at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:50)
        at org.codehaus.groovy.runtime.callsite.PogoGetPropertySite.getProperty(PogoGetPropertySite.java:49)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:231)
        at SimpleTemplateScript7$_run_closure1.doCall(SimpleTemplateScript7.groovy:10)
        at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1207)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1074)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
        at groovy.lang.MetaClassImpl.invokePropertyOrMissing(MetaClassImpl.java:1253)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1209)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
        at SimpleTemplateScript5.run(SimpleTemplateScript5.groovy:9)
        at groovy.text.SimpleTemplateEngine$SimpleTemplate$1.writeTo(SimpleTemplateEngine.java:165)
        at groovy.text.SimpleTemplateEngine$SimpleTemplate$1.toString(SimpleTemplateEngine.java:177)
        at org.codehaus.groovy.runtime.typehandling.ShortTypeHandling.castToString(ShortTypeHandling.java:42)
        at gaiden.TemplateEngine.make(TemplateEngine.groovy:48)
        at gaiden.BindingBuilder.include(BindingBuilder.groovy:117)
        at gaiden.BindingBuilder.this$2$include(BindingBuilder.groovy)
        at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1207)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1074)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
        at groovy.lang.MetaClassImpl.invokePropertyOrMissing(MetaClassImpl.java:1253)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1209)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:141)
        at SimpleTemplateScript1.run(SimpleTemplateScript1.groovy:29)
        at groovy.text.SimpleTemplateEngine$SimpleTemplate$1.writeTo(SimpleTemplateEngine.java:165)
        at groovy.text.SimpleTemplateEngine$SimpleTemplate$1.toString(SimpleTemplateEngine.java:177)
        at org.codehaus.groovy.runtime.typehandling.ShortTypeHandling.castToString(ShortTypeHandling.java:42)
        at gaiden.TemplateEngine.make(TemplateEngine.groovy:48)
        at gaiden.DocumentWriter.writePage(DocumentWriter.groovy:92)
        at gaiden.DocumentWriter.access$0(DocumentWriter.groovy)
        at gaiden.DocumentWriter$_writePages_closure1.doCall(DocumentWriter.groovy:71)
        at sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
        at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:278)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
        at groovy.lang.Closure.call(Closure.java:423)
        at groovy.lang.Closure.call(Closure.java:439)
        at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:1379)
        at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:1372)
        at gaiden.DocumentWriter.writePages(DocumentWriter.groovy:68)
        at gaiden.DocumentWriter.write(DocumentWriter.groovy:63)
        at gaiden.command.BuildCommand.execute(BuildCommand.groovy:62)
        at gaiden.command.AbstractCommand.execute(AbstractCommand.groovy:73)
        at gaiden.GaidenMain.executeCommand(GaidenMain.groovy:65)
        at gaiden.GaidenMain.run(GaidenMain.groovy:45)
        at gaiden.GaidenMain.main(GaidenMain.groovy:40)