Product detail page images are not loading. Pointer is just spinning. I have read lots of threads. Clear cache, reindexed, change permissions.
Finally i got the problem. but unable to fix it. :-/ I am using porto theme. When I look at the browser console, I see the following error
Uncaught SyntaxError: Unexpected token , in JSON at position 1699 at JSON.parse () at getNodeData (scripts.js:87) at Array.map () at scripts.js:117 at HTMLDocument.apply (main.js:70) at fire (jquery.js:3232) at Object.add [as done] (jquery.js:3291) at jQuery.fn.init.jQuery.fn.ready (jquery.js:3542) at jQuery.fn.init (jquery.js:2967) at new jQuery.fn.init (jquery-migrate.js:241)