Thank you @percysgrowroom, I'll update the topic asap.   

@khanhvd21, Please read this support topic:

@percysgrowroom Please change the role of the user with info[at]gvectors.com email address to admin and let us know. The developers will check to ma...

Thank you @nintendomi, The issue comes from the /wp-content/plugins/highslide/ plugin. Please deactivate the plugin, delete all caches and chec...

@central4allgmail-com Have you updated the plugin to the latest version? This problem should be already fixed. Please confirm.

@andyteslaro The issue is solved by our developers. We've tested on your websites as well and it's working fine.  We've removed the CSS code ...

@andyteslaro, As far as I know, the only way that allows the plugin to be updated automatically is either adding the following code in functions.php f...

Hi @erik, The topic is made private by us. We don't want to allow all users to use the code provided in the support topic.

@percysgrowroom We need detailed information about what's going wrong on your website. Please leave several screenshots of the issue and let us know w...

@percysgrowroom Please wait a bit. I'll update this topic once I get a response from developers. The'll contact very soon. 

Hi karthikbethi, Thank you for using wpForo and for contacting us. We're going to check the issue. Please wait a bit. I'll update the topic asap.

@nintendomi Please register some testing user and send the user's login details with your forum URL to info[at]gvectors.com email address to allow u...

Hi @nintendomi, Have you deleted all caches? If you have a Cache Plugin, please delete all caches after wpForo update. If you use CDN and found some ...

Hi @bobblejot, I'm really sorry, but currently, there is no option that allows cloning the category with it's forums. I'll ask the plugin's developers...

@power505 Could you please leave a screenshot that shows the final look of the code in your case?