Re-bootstrap & initialise

The first thing we need to do is to clear out the Commerce Engine databases.
USE XXXX_Global;
TRUNCATE TABLE CommerceEntities;
TRUNCATE TABLE CommerceLists;
TRUNCATE TABLE Versions;
USE XXXX_SharedEnvironments;
TRUNCATE TABLE CommerceEntities;
TRUNCATE TABLE CommerceLists;
TRUNCATE TABLE Versions;
Now recycle IIS
Finaly follow the below links to re-bootstrap & initialise: