[Sony Cross-Device Development Themes and Apps] serajr:
Bro... next time you don't need to send me whole logcat, but just lines underneath (also including it) FATAL EXCEPTION and its block of lines (E/AndroidRuntime), take a look:

05-15 22:10:17.977 E/AndroidRuntime(2331): [B]FATAL EXCEPTION[/B]: main
05-15 22:10:17.977 E/AndroidRuntime(2331): de.robv.android.xposed.XposedHelpers$InvocationTargetError: de.robv.android.xposed.XposedHelpers$InvocationTargetError: java.lang.IllegalArgumentException: View not attached to window manager
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedHelpers.callMethod(XposedHelpers.java:925)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.serajr.xperia.xposed.hooks.SystemUI_FullScreenMode$12.replaceHookedMethod(SystemUI_FullScreenMode.java:489)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XC_MethodReplacement.beforeHookedMethod(XC_MethodReplacement.java:15)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedBridge.handleHookedMethod(XposedBridge.java:620)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.phone.PhoneStatusBar.addStatusBarWindow(Native Method)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.phone.PhoneStatusBar.createAndAddWindows(PhoneStatusBar.java:3055)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.BaseStatusBar.start(BaseStatusBar.java:277)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.phone.PhoneStatusBar.start(PhoneStatusBar.java:588)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedBridge.invokeOriginalMethodNative(Native Method)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedBridge.handleHookedMethod(XposedBridge.java:640)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.phone.PhoneStatusBar.start(Native Method)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.SystemBars.createStatusBarFromConfig(SystemBars.java:106)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.SystemBars.onNoService(SystemBars.java:58)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.ServiceMonitor.startService(ServiceMonitor.java:228)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.ServiceMonitor.access$000(ServiceMonitor.java:49)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.ServiceMonitor$1.handleMessage(ServiceMonitor.java:73)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at android.os.Handler.dispatchMessage(Handler.java:99)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at android.os.Looper.loop(Looper.java:213)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at android.app.ActivityThread.main(ActivityThread.java:5225)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at java.lang.reflect.Method.invokeNative(Native Method)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at java.lang.reflect.Method.invoke(Method.java:525)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:741)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:133)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at dalvik.system.NativeStart.main(Native Method)
05-15 22:10:17.977 E/AndroidRuntime(2331): Caused by: de.robv.android.xposed.XposedHelpers$InvocationTargetError: java.lang.IllegalArgumentException: View not attached to window manager
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedHelpers.callMethod(XposedHelpers.java:925)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.serajr.xperia.xposed.hooks.SystemUI_FullScreenMode$9.replaceHookedMethod(SystemUI_FullScreenMode.java:403)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XC_MethodReplacement.beforeHookedMethod(XC_MethodReplacement.java:15)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedBridge.handleHookedMethod(XposedBridge.java:620)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.phone.PhoneStatusBar.repositionNavigationBar(Native Method)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.phone.PhoneStatusBar.access$5700(PhoneStatusBar.java:140)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.phone.PhoneStatusBar$39.onReceive(PhoneStatusBar.java:3297)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at com.android.systemui.statusbar.phone.PhoneStatusBar.makeStatusBarView(PhoneStatusBar.java:965)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at java.lang.reflect.Method.invokeNative(Native Method)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at java.lang.reflect.Method.invoke(Method.java:525)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedHelpers.callMethod(XposedHelpers.java:917)
05-15 22:10:17.977 E/AndroidRuntime(2331):	... 24 more
05-15 22:10:17.977 E/AndroidRuntime(2331): Caused by: java.lang.IllegalArgumentException: View not attached to window manager
05-15 22:10:17.977 E/AndroidRuntime(2331):	at android.view.WindowManagerGlobal.findViewLocked(WindowManagerGlobal.java:406)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at android.view.WindowManagerGlobal.updateViewLayout(WindowManagerGlobal.java:295)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at android.view.WindowManagerImpl.updateViewLayout(WindowManagerImpl.java:74)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at java.lang.reflect.Method.invokeNative(Native Method)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at java.lang.reflect.Method.invoke(Method.java:525)
05-15 22:10:17.977 E/AndroidRuntime(2331):	at de.robv.android.xposed.XposedHelpers.callMethod(XposedHelpers.java:917)
05-15 22:10:17.977 E/AndroidRuntime(2331):	... 34 more

Logcat shows us that XX module is installed, I think you should firstly uninstall it to proper port KK SystemUI.apk to you 4.3 firmware! Later when it (KK SystemUI.apk v1.1) be running without no fc, you install XX KK module! Also uninstall any other module that hooks SystemUI.apk!!