Error: [phpBB Debug] PHP Notice: in file /includes/functions.php on line 3526: Undefined index: HIDDEN_USERS_ZERO_TOTAL_AND

After updating phpBB to v3.0.4, this error suddenly popped up after changing the language to something other than English : [phpBB Debug] PHP Notice: in file /includes/functions.php on line 3526: Undefined index: HIDDEN_USERS_ZERO_TOTAL_AND It means that the language pack is outdated and “HIDDEN_USERS_ZERO_TOTAL_AND” isn’t defined in the common.php file in the corresponding language directory. The […]