I had not touched my site in several days and only noticed this morning that I'm getting this error no matter what page I try to access:
Fatal error: Cannot redeclare is_multisite() (previously declared in /hsphere/local/home/xxxx/yyyy.com/wp-includes/load.php:647) in /hsphere/local/home/xxxx/yyyy.com/wp-content/themes/zzzz/functions.php on line 110
I've searched on forums and didn't see that anyone else has had the same problem. I tried a few things so far:
(a) disabling multisite (by setting it to false in wp_config.php) but nothing changed
(b) trying to load a fresh version of load.php and functions.php but nothing changed (which I anticipated since it didn't look like anything was wrong with either file)
(c) disabling my plugins (by changing the name of the plugin folder) but nothing changed
(d) enabling multisite (by setting it to true in wp_config.php) which give me a WordPress error but again, I'm unable to log into the admin console
Has anyone run into this? Any ideas and help would be greatly appreciated!