If any product which is eligible for discount coupon and linked to more than one category, then for those categories "restrict to categories" fails.
During coupon redeem at the catalog side, Only the first category is considered and other categories are ignored for the particular products linked to many categories.

We have modified only two file includesmodulesorder_totalot_coupon.php and includesfunctionsgeneral.php
The modification is very simple but important.

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