How to solved Invalid loadTaxZones() SQL query

create a copy of main site that was presta 1.2.5 version, and also copying the database. and when upgrade the copysite from 1.2.5 to 1.4.5 on ... the main site become Invalid loadTaxZones() SQL query!


The problem is the database upgrade from 1.4 removes the table named "tax_zone".
So, You have to import the "tax_zone" from your backed up database, and it fixed the problem.