MyBB Community Forums

How do I make the forum index full width?  When I load the forum, there is a blank area to the right for sideboxes.

what is your forum url & which theme you are using ?

in general, sideboxes related code is added in index template of the theme.

[MyBB Templates System]

Please share your forum URL.
If you have sideboxes, remove them from your theme templates probably in index or in header.

My forum url is https://www.conservativeperspective.online/forum and I'm using the default theme.

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I was able to fix the template to display forum table 100% width.