So I tried to post this last night:
Please try to supply answers to the following questions.
1. Which version of WordPress are you running?
4.8
2. Did you install WordPress as a directory or subdomain install?
Directory
3. If a directory install, is it in root or in a subdirectory?
Root
4. Did you upgrade from a previous version of WordPress? If so, from which version?
Upgrade, but upgrading isn’t linked to this issue
5. Was WordPress functioning properly before installing/upgrading BuddyPress (BP)? e.g. permalinks, creating a new post, commenting.
Yes
6. Which version of BP are you running?
2.8.2
7. Did you upgraded from a previous version of BP? If so, from which version?
No
8. Do you have any plugins other than BuddyPress installed and activated? If so, which ones?
Yes, many. But they don’t seem to be linked to this issue
9. Are you using the standard WordPress theme or customized theme?
Customized theme
10. Which theme do you use ?
WeChange by Curly Themes
11. Have you modified the core files in any way?
Yes. Functions.php for WYSIWYG editor for bbPress
12. Do you have any custom functions in bp-custom.php?
No
13. If running bbPress, which version? Or did your BuddyPress install come with a copy of bbPress built-in?
2.6-rc-3 because I have PHP 7.1.6 running
14. Please provide a list of any errors in your server’s log files.
There are no errors
15. Which company provides your hosting?
SiteGround
16. Is your server running Windows, or if Linux; Apache, nginx or something else?
nginix