sencha ant package build is OK.
sencha ant native build is OK. But the iOS Simulator never appeared.

I changed platform to iOS and device to iPhone. All my provisions are valids.
sencha ant native build give an error

[INF] Embedded microloader into index.html
[INF] Packaging your application as a native app to /Users/alexesc/Sites/st/build/native ...
[ERR] failed running native packager
[ERR] Assertion failed: (type_ == stringValue), function asCString, file src/json_value.cpp, line 679.
The application was successfully packaged


[ERR] The following error occurred while executing this line:
/Users/alexesc/Sites/st/.sencha/app/build-impl.xml:120: javax.script.ScriptException: sun.org.mozilla.javascript.internal.EvaluatorException: Java constructor for "com.sencha.exceptions.ExBuild" with arguments "string" not found. (<Unknown source>#673) in <Unknown source> at line number 673



I am using sencha touch 2.1

Follow my packager.json

Code:
{
    "applicationName":"Headloss calculator",
    "applicationId":"com.transparent-blue.headloss",
    "bundleSeedId":"46LA97FSB5",
    "versionString":"1.0",
    "versionCode":"1",
    "icon": {
        "57":"resources/icons/Icon.png",
        "72":"resources/icons/Icon~ipad.png",
        "114":"resources/icons/Icon@2x.png",
        "144":"resources/icons/Icon~ipad@2x.png"
    },
    "inputPath":"./",
    "outputPath":"../build/",
    "configuration":"Debug",
    "platform":"iOS",
    "deviceType":"iPhone",
    "certificatePath":"build/test/package/ios_distribution.cer",
    "certificatePassword":"",
    "provisionProfile":"build/test/package/headlossdistr.mobileprovision",
    "sdkPath":"/path/to/android-sdk",
    "sdkPath":"/path/to/android-sdk",
    "androidAPILevel":"8",
    "permissions":[
                    "INTERNET",
                    "ACCESS_NETWORK_STATE",
                    "CAMERA",
                    "VIBRATE",
                    "ACCESS_FINE_LOCATION",
                    "ACCESS_COARSE_LOCATION",
                    "CALL_PHONE"],
    "orientations": [
        "portrait",
        "landscapeLeft",
        "landscapeRight",
        "portraitUpsideDown"
    ]
}
The error is after