Coupons Invalid Error - OpenCart 1.4.9.2

Hey all,

Here are the basics:

• OpenCart 1.4.9.2
• Hosted on Apache 2 and MySQL 5; PHP 5
• My browser: Chrome dev channel on Mac OS X 10.6.4
• Minor CSS and .tpl edits (strictly styling)
• Very minimal .php edits (adding a return row for product options)
• Only one extension installed: Canada Post Shipping Module

I know its been stated that this is a result of a template issue / error, however I've completed a vanilla install with this bug still present.

Upon attempting to check out as either a guest or customer, attempting to input any a coupon code at either screen (step 2 or final review), I get the standard error

Error: Coupon is either invalid, expired or reached its usage limit!

Note: I ensured that the coupon's date range is not expired and that it's available to all products.

I tested this on a vanilla 1.4.9.1 install with the one Canada Post Shipping Module as well enabled. It still appears spits out the error.

Example:
Check out with coupon codes FREESHIP, 1111, 2222, or 3333 (all except first are default with date ranges modified)
http://www.guats.justinbull.ca/ppt1


Thanks for your help and support.

This gets reported as a bug quite often but has been disproven every time. Perhaps the errors could be more distinct to help troubleshoot better.

Check the following:
- The "Total Amount" is below your current total. This is the main one that gets people
- Coupon End Date has not expired
- Coupon total uses has not been reached or is set to 0 (no limit)
- Coupon uses per customer has not been reached or is set to 0 (no limit)
- The products in your cart are valid for the coupon
- The coupon is enabled
- The must be logged in option is not conflicting your current checkout method

Qphoria wrote:This gets reported as a bug quite often but has been disproven every time. Perhaps the errors could be more distinct to help troubleshoot better.

Check the following:
- The "Total Amount" is below your current total. This is the main one that gets people
- Coupon End Date has not expired
- Coupon total uses has not been reached or is set to 0 (no limit)
- Coupon uses per customer has not been reached or is set to 0 (no limit)
- The products in your cart are valid for the coupon
- The coupon is enabled
- The must be logged in option is not conflicting your current checkout method

• Total amount is set to 0
• End date is set to 2011-07-22
• Coupon total uses set to blank (saves as 0)
• Coupon users per customer set to blank (saves as 0)
• No products selected (so valid for all products)
• Not entirely sure what you mean by the last option... Guests can check out and coupon set to not require customer login

I made sure to search the forums and thus far I think I satisfy the common mistakes

[EDIT]
Here is a video of me going through every option and showing coupon and product configuration:
http://www.justinbull.ca/private/couponissue/

Same issue here. The coupon function works inconsistently. I try creating different coupons with different settings. Some customers are able to apply the code, some get an error.

Would love to finally resolve this.

I'm having this exact issue, has there been a resolution? My Version is 1.5.5..1

thanks
JL