howto remake c-lightning without loosing channels? SQLITE version mismatch

Hello

I have updated SQLITE accidentally when tried Blockstream's "lightning charge"

Received this error when tried to start "c-lightning":

Code:

SQLITE version mismatch: compiled 3011000, now 3022000

How to fix that without loosing channels ? I am on Ubuntu 16.04.4 LTS and already testing LN mainnet.
I am ok to start from beginning but not sure what files from "c-lightning" do I need to keep ?

Thank you

p.s

Anyway, very excited with lightning network. Had already some successful transactions.