Fix Customers Table

Current columns:

Array
(
    [0] => id
    [1] => name
    [2] => email
    [3] => phone
    [4] => address_line1
    [5] => address_line2
    [6] => city
    [7] => state
    [8] => postcode
    [9] => country
    [10] => opt_in_newsletter
    [11] => created_at
    [12] => updated_at
    [13] => address
    [14] => notes
)

✓ Column address already exists

✓ Column city already exists

✓ Column state already exists

✓ Column postcode already exists

✓ Column country already exists

✓ Column notes already exists

Customers table structure updated!