Failed render SyntaxError: JSON.parse: unexpected character

I just moved a site over to an internal server for a company intranet site. Upon editing content in cornerstone the changes do not render - but are saved. So each edit requires a “save” and “refresh” to see the changes.

I have followed the recommendations in other similar threads, updated everything to latest versions, turned off all plugins, increases PHP memory limits, etc.

The server is the only uncommon thing between the two sites. What server settings might cause the following?

Failed render SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data
s http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
_e http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
_e http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
ge http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
setTimeout handler*we http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
xe http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
7053/H/$</$</$< http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
7053/H/e</$</$< http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
7053/H/e</$</$< http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
dispatch http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
Ee http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
7053/H/$</$</$< http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
7053/H/e</$</$< http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
7053/H/e</$</$< http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
a http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
i http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
setupXfrMiddleware http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
setupXfrMiddleware http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
H http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
H http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2
W http://portal.futuramic.net/wp-content/themes/pro/cornerstone/assets/js/app.6f62d0f.js?ver=1637594193:2

Hello @sas313,

Thanks for writing in!

Please go to Tools > Site Health > Status and make sure that there are no performance issues. You can also compare your two sites by checking your server settings in Tools > Site Health > Info. If this is not helping, please set up a staging site and clone your internal site to the staging site where we can access it so that we can investigate the issue further.

Best Regards.

This issues seems to be inline with this thread: Pro Editor not showing changes in realtime
So I’ll keep a watch on that thread for details. Thanks for the quick response.

Hi @sas313

Great and you’re welcome! If you have any other concerns or clarifications regarding our theme features, feel free to open up a new thread.

Thank you.

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