We did same changes to code, so this is a mandatory update, delete all content of vicecore folder and re install new wallet, the chain will restart from scratch.

Changelogs
New wallet version 0.0.2.
New genesis block.
Added function to create vice.conf with addnode and fallbackfee inside ready.
Fixed getmininginfo crash.
Unlocked team and community reward addresses starting from block 51841000.
Changed p2p and rpc ports to 8334 and 8333.
Fixed to 1 day difficult retargeting

https://github.com/Viceversachain/vicecore/releases/tag/v0.0.2