Ошибка в запросе БД:
У вас ошибка в запросе. Изучите документацию по используемой версии MySQL на предмет корректного синтаксиса около ')) AND (i.is_locked IS NULL) AND (i.is_deleted IS NULL) LIMIT 1000' на строке 3
SELECT i.*
FROM cms_users i
WHERE (i.id IN ()) AND (i.is_locked IS NULL) AND (i.is_deleted IS NULL)
LIMIT 1000
modelUsers->getNotifiedUsers() @ /system/controllers/messages/frontend.php: 122
messages->sendNoticePM() @ /system/controllers/sc_followers/hooks/activity_after_add.php: 61
onScFollowersActivityAfterAdd->run()
call_user_func_array() @ /system/core/controller.php: 521
cmsController->runExternalHook() @ /system/core/controller.php: 483
cmsController->runHook() @ /system/core/eventsmanager.php: 37
cmsEventsManager::hook() @ /system/controllers/activity/frontend.php: 54
activity->addEntry() @ /system/controllers/users/actions/profile_edit.php: 118
actionUsersProfileEdit->run()
call_user_func_array() @ /system/core/controller.php: 453