Plz Urgent Help needed! bb 10-0015 error! :(

I tried to install the latest leak 10.2.1.1925 so when I tried to wipe the device, it was taking almost 4 hours, it will go to standby and then I have to press the power button to continue the wiping process but since it took around 4 hours, I thought of removing the battery and since after that am getting an error BB 10-0015.
someone please help me :(

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