This is what happens when I try to install through zen admin:

1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'products ADD products_msrp DECIMAL( 15, 4 ) NOT NULL AFTER products_price' at line 1
in:
[ALTER TABLE zen_ products ADD products_msrp DECIMAL( 15, 4 ) NOT NULL AFTER products_price ;]
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