Trying to generate theme.jar with the skeleton.theme fails.

Code:
El-Hoss-Mac-Pro:skeleton-config hoss$ ./../../bin/themer.sh skeleton-config.theme 
template generation started
unable to generate ThemeDetails methods
Can't resolve [headerLineHeight]
error with template generation
java.lang.RuntimeException: com.sencha.gxt.themebuilder.config.shared.KeyNotFoundException: Can't resolve [headerLineHeight]
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
        at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:77)
        at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:102)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:57)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:232)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:244)
        at com.sencha.gxt.themebuilder.TemplateGenerator.generateThemeDetailsImpl(TemplateGenerator.groovy:197)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
        at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:382)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:49)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:171)
        at com.sencha.gxt.themebuilder.TemplateGenerator$_generateThemeDetailsImpl_closure3.doCall(TemplateGenerator.groovy:135)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        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:292)
        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.IOGroovyMethods.withWriter(IOGroovyMethods.java:1152)
        at org.codehaus.groovy.runtime.ResourceGroovyMethods.withWriter(ResourceGroovyMethods.java:1790)
        at org.codehaus.groovy.runtime.dgm$1030.invoke(Unknown Source)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:271)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:53)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:122)
        at com.sencha.gxt.themebuilder.TemplateGenerator.generateThemeDetailsImpl(TemplateGenerator.groovy:134)
        at com.sencha.gxt.themebuilder.TemplateGenerator.generate(TemplateGenerator.groovy:51)
        at com.sencha.gxt.themebuilder.TemplateGenerator$generate.call(Unknown Source)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:114)
        at com.sencha.gxt.themebuilder.ThemeBuilder$_main_closure2.doCall(ThemeBuilder.groovy:92)
        at com.sencha.gxt.themebuilder.ThemeBuilder$_main_closure2.doCall(ThemeBuilder.groovy)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
        at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:292)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:39)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:114)
        at com.sencha.gxt.themebuilder.ThemeBuilder$__clinit__closure9.doCall(ThemeBuilder.groovy:22)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        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:292)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
        at org.codehaus.groovy.runtime.InvokerHelper.invokePogoMethod(InvokerHelper.java:914)
        at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:897)
        at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:166)
        at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeClosure(ScriptBytecodeAdapter.java:572)
        at com.sencha.gxt.themebuilder.ThemeBuilder.main(ThemeBuilder.groovy:90)
Caused by: com.sencha.gxt.themebuilder.config.shared.KeyNotFoundException: Can't resolve [headerLineHeight]
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:137)
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:98)
        at com.sencha.gxt.themebuilder.config.shared.CfgObject$get$0.call(Unknown Source)
        at com.sencha.gxt.themebuilder.TemplateGenerator$_generateDetailMethods_closure18.doCall(TemplateGenerator.groovy:246)
        at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        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:292)
        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:2027)
        at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2012)
        at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2053)
        at org.codehaus.groovy.runtime.dgm$162.invoke(Unknown Source)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:271)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:53)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:122)
        at com.sencha.gxt.themebuilder.TemplateGenerator.generateDetailMethods(TemplateGenerator.groovy:241)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        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:382)
        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.CallSiteArray.defaultCallCurrent(CallSiteArray.java:49)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:179)
        at com.sencha.gxt.themebuilder.TemplateGenerator$_generateDetailMethods_closure18.doCall(TemplateGenerator.groovy:258)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        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:292)
        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:2027)
        at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2012)
        at org.codehaus.groovy.runtime.DefaultGroovyMethods.each(DefaultGroovyMethods.java:2053)
        at org.codehaus.groovy.runtime.dgm$162.invoke(Unknown Source)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoMetaMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaMethodSite.java:271)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:53)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:122)
        at com.sencha.gxt.themebuilder.TemplateGenerator.generateDetailMethods(TemplateGenerator.groovy:241)
        at com.sencha.gxt.themebuilder.TemplateGenerator$generateDetailMethods$0.callStatic(Unknown Source)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallStatic(CallSiteArray.java:53)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:191)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callStatic(AbstractCallSite.java:219)
        at com.sencha.gxt.themebuilder.TemplateGenerator.generateThemeDetailsImpl(TemplateGenerator.groovy:191)
        ... 65 more
Caused by: com.sencha.gxt.themebuilder.config.shared.KeyNotFoundException: Can't resolve [headerLineHeight]
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:137)
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:133)
        ... 123 more
Caused by: com.sencha.gxt.themebuilder.config.shared.KeyNotFoundException: Can't resolve [headerLineHeight]
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:137)
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:133)
        ... 124 more
Caused by: com.sencha.gxt.themebuilder.config.shared.KeyNotFoundException: Can't resolve [headerLineHeight]
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:137)
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:133)
        ... 125 more
Caused by: com.sencha.gxt.themebuilder.config.shared.KeyNotFoundException: Can't resolve [headerLineHeight]
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:130)
        at com.sencha.gxt.themebuilder.config.shared.CfgObject.get(CfgObject.java:133)
        ... 126 more