TypeError: /usr/src/app/views/mixins/product.pug:2
   1| mixin product(product, coupons)
 > 2|   - var minPrice = product.minPrice || {}
   3|   - var price = minPrice.price || 0
   4|   - var salePrice = minPrice.salePrice || 0
   5|   - var displaySalePrice = (salePrice || price) ? numeral(salePrice || price).format() + 'đ' : 'Liên hệ'

Cannot read property 'minPrice' of undefined
   at Object.pug_interp [as product] (eval at wrap (/usr/src/app/node_modules/pug-runtime/wrap.js:6:10), <anonymous>:1009:24)
   at eval (eval at wrap (/usr/src/app/node_modules/pug-runtime/wrap.js:6:10), <anonymous>:2093:22)
   at eval (eval at wrap (/usr/src/app/node_modules/pug-runtime/wrap.js:6:10), <anonymous>:2104:4)
   at eval (eval at wrap (/usr/src/app/node_modules/pug-runtime/wrap.js:6:10), <anonymous>:2148:4)
   at template (eval at wrap (/usr/src/app/node_modules/pug-runtime/wrap.js:6:10), <anonymous>:2969:72)
   at Object.exports.renderFile (/usr/src/app/node_modules/pug/lib/index.js:427:38)
   at Object.exports.renderFile (/usr/src/app/node_modules/pug/lib/index.js:417:21)
   at View.exports.__express [as engine] (/usr/src/app/node_modules/pug/lib/index.js:464:11)
   at View.render (/usr/src/app/node_modules/express/lib/view.js:135:8)
   at tryRender (/usr/src/app/node_modules/express/lib/application.js:640:10)
   at Function.render (/usr/src/app/node_modules/express/lib/application.js:592:3)
   at ServerResponse.render (/usr/src/app/node_modules/express/lib/response.js:1012:7)
   at ServerResponse.res.render (/usr/src/app/api/bootstrap.js:104:16)
   at RenderService.render (/usr/src/app/api/services/RenderService.js:28:17)
   at ProductService.getProducts (/usr/src/app/api/controllers/PromotionController.js:45:20)
   at /usr/src/app/api/services/ProductService.js:122:5