I'm able to create coupons with no errors. When I enter coupon code into the field and click on the submit button I get the following error.
An AJAX HTTP error occurred. HTTP Result Code: 500 Debugging information follows. Path: /system/ajax StatusText: Service unavailable (with message) ResponseText:
Drupal version 7.28
Commerce Coupon Percentage 7.x-1.0-beta7
// first error Rules Warning: Unable to get a data value. Error: Unable to get the data property code as the parent data structure is not set. // second error Rules Warning: Unable to evaluate condition commerce_coupon_discount_coupon_codes_exist_on_order. // second error PHP Error: EntityMetadataWrapperException: Unable to get the data property coupon_id as the parent data structure is not set. in EntityStructureWrapper->getPropertyValue()(line 438 of /homepages/ 36/d385915579/htdocs/bbp/sites/all/modules/entity/includes/entity.wrapper.inc).