Cannot read property 'RFC_2822' of undefined

Question

Cannot read property 'RFC_2822' of undefined is getting problem in magento 2.0.4

i saw this error in console. following one more error.

women-blue-jacket.html:912 Uncaught TypeError: Cannot read property 'RFC_2822' of undefined at women-blue-jacket.html:912 at Object.execCb (require.js:1650) at Module.check (require.js:866) at Module. (require.js:1113) at require.js:132 at require.js:1156 at each (require.js:57) at Module.emit (require.js:1155) at Module.check (require.js:917) at Module.enable (require.js:1143)

price-box.js:21 Uncaught TypeError: $.widget is not a function at price-box.js:21 at Object.execCb (require.js:1650) at Module.check (require.js:866) at Module. (require.js:1113) at require.js:132 at require.js:1156 at each (require.js:57) at Module.emit (require.js:1155) at Module.check (require.js:917) at Module. (require.js:1113)

full error as above. in more details im using free theme http://www.venustheme.com/theme/ves-fasony-free-magento2-theme/ .

i dont know is, theme specific error or some where magento error. if this error comes, my product image will not load. i tried lot to remove it but not works.

Answer 1

Its most probably because jquery or jquery-ui is included twice in your theme. For me it was in venus theme : Magento_Theme/layout/default_head_blocks.xml file , I removed below line:

<script src="jquery.js" />

credit goes to @Dmitry Fedyuk for this solution: https://mage2.pro/t/topic/5748