tusk catalog without previous tusk update gives undecipherable error message

[mcepl]

It says the following instead of something like "You should run tusk update first"

johanka:narwhal$ tusk catalog
org.mozilla.javascript.EcmaError: TypeError: Cannot call method "call" of undefined
at org.mozilla.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3753)
at org.mozilla.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3731)
at org.mozilla.javascript.ScriptRuntime.typeError(ScriptRuntime.java:3759)
at org.mozilla.javascript.ScriptRuntime.typeError2(ScriptRuntime.java:3778)
at org.mozilla.javascript.ScriptRuntime.undefCallError(ScriptRuntime.java:3797)
at org.mozilla.javascript.ScriptRuntime.getPropFunctionAndThisHelper(ScriptRuntime.java:2317)
at org.mozilla.javascript.ScriptRuntime.getPropFunctionAndThis(ScriptRuntime.java:2310)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_narwhal_tusk_commands_catalog_js_35._c_anonymous_1(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_narwhal_tusk_commands_catalog_js_35.call(Unknown Source)
at org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2504)
at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:294)
at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:129)
at org.mozilla.javascript.optimizer.OptRuntime.callN(OptRuntime.java:86)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_args_js_25._c_anonymous_15(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_args_js_25.call(Unknown Source)
at org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_args_js_25._c_anonymous_41(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_args_js_25.call(Unknown Source)
at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:66)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_narwhal_tusk_js_33._c_anonymous_17(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_narwhal_tusk_js_33.call(Unknown Source)
at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:66)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_bin_tusk_31._c_anonymous_0(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_bin_tusk_31.call(Unknown Source)
at org.mozilla.javascript.ScriptRuntime.applyOrCall(ScriptRuntime.java:2504)
at org.mozilla.javascript.BaseFunction.execIdCall(BaseFunction.java:294)
at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:129)
at org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_engines_rhino_bootstrap_js_1._c_anonymous_6(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_engines_rhino_bootstrap_js_1.call(Unknown Source)
at org.mozilla.javascript.optimizer.OptRuntime.callName(OptRuntime.java:97)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_sandbox_js_6._c_anonymous_3(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_sandbox_js_6.call(Unknown Source)
at org.mozilla.javascript.optimizer.OptRuntime.callName(OptRuntime.java:97)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_sandbox_js_6._c_anonymous_10(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_lib_sandbox_js_6.call(Unknown Source)
at org.mozilla.javascript.optimizer.OptRuntime.call1(OptRuntime.java:66)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_narwhal_js_2._c_narwhal_1(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_narwhal_js_2.call(Unknown Source)
at org.mozilla.javascript.optimizer.OptRuntime.callName(OptRuntime.java:97)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_engines_rhino_bootstrap_js_1._c_anonymous_1(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_engines_rhino_bootstrap_js_1.call(Unknown Source)
at org.mozilla.javascript.optimizer.OptRuntime.call2(OptRuntime.java:76)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_engines_rhino_bootstrap_js_1._c_script_0(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_engines_rhino_bootstrap_js_1.call(Unknown Source)
at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:426)
at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3157)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_engines_rhino_bootstrap_js_1.call(Unknown Source)
at org.mozilla.javascript.gen._home_matej_archiv_2010_projekty_narwhal_engines_rhino_bootstrap_js_1.exec(Unknown Source)
at org.mozilla.javascript.tools.shell.Main.evaluateScript(Main.java:563)
at org.mozilla.javascript.tools.shell.Main.processFileSecure(Main.java:485)
at org.mozilla.javascript.tools.shell.Main.processFile(Main.java:451)
at org.mozilla.javascript.tools.shell.Main.processSource(Main.java:443)
at org.mozilla.javascript.tools.shell.Main.processFiles(Main.java:196)
at org.mozilla.javascript.tools.shell.Main$IProxy.run(Main.java:117)
at org.mozilla.javascript.Context.call(Context.java:521)
at org.mozilla.javascript.ContextFactory.call(ContextFactory.java:535)
at org.mozilla.javascript.tools.shell.Main.exec(Main.java:179)
at org.mozilla.javascript.tools.shell.Main.main(Main.java:157)
TypeError: Cannot call method "call" of undefined
johanka:narwhal$