the override in classic-rocket tries to parse the already json format which fails with
Uncaught SyntaxError: Unexpected token o in JSON at position 1
at JSON.parse (<anonymous>)
at Object.success (list-comments.js:56)
at u (core.js:39)
at Object.fireWith [as resolveWith] (core.js:39)
at S (core.js:39)
at XMLHttpRequest.<anonymous> (core.js:39)
see: https://github.com/PrestaShop/productcomments/pull/81
especially this commit: https://github.com/PrestaShop/productcomments/pull/81/commits/9e019037c49e1288ddeb54783d56ffd14e7ec4ac
the override in classic-rocket tries to parse the already json format which fails with
there are few places in list-comments that try to parse the response: https://github.com/prestarocket-agence/classic-rocket/blob/646572802860b9fe49506f01c66af0d035cb916f/modules/productcomments/views/js/list-comments.js#L56
This probably needs to be fixed in a way that both the old and new format can be supported.