Start over again!
Follow the below steps:
1. Flash stock FTF (11.3.A.2.23)
2. Start the device & setup everything
3. Turn off device
4. Extract the kernel that is provided in CM11 Alpha 5 & flash it.
5. Turn on device
6. Go to recovery,
> Wipe Data / Factory Reset
> Wipe Cache
> Wipe Dalvik Cache
> Format System
> Format Cache
> Format Data
> Mount System
> Mount Cache
> Mount Data
7. Install ZIP from SD Card (select CM11 zip)
8. Wipe Cache
9. Install ZIP from SD Card (select GAPPS zip)
10. Reboot device, setup everything! Done!