I am having the same issue with Blank page after registering. Below is my site info. I did see that the issue was supposed to be related to the New User Approve plugin but that's important to approve users so people that are not supposed to be in the form don't register.

15-Dec-2020 16:22:59 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SELECT DISTINCT `key`, `value` FROM `wpot_wpforo_logs` WHERE `sessionid` = 'XeSOppmiQgJYElbOc9GggWdVdnRU4qGUsbvJAw5SFGR' AND `key` IN('neutral','error','success') made by require_once('wp-admin/admin.php'), do_action('admin_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForo->init, do_action('wpforo_before_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForoNotices->init

15-Dec-2020 16:22:56 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SELECT DISTINCT `key`, `value` FROM `wpot_wpforo_logs` WHERE `sessionid` = 'dkBxujAEyYEQ96I1cHTJQw6SxbJ0s1oaHDBQyYJQemb' AND `key` IN('neutral','error','success') made by require('wp-blog-header.php'), wp, WP->main, do_action_ref_array('wp'), WP_Hook->do_action, WP_Hook->apply_filters, wpForo->init, do_action('wpforo_before_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForoNotices->init

15-Dec-2020 16:21:31 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SELECT DISTINCT `key`, `value` FROM `wpot_wpforo_logs` WHERE `sessionid` = 'dkBxujAEyYEQ96I1cHTJQw6SxbJ0s1oaHDBQyYJQemb' AND `key` IN('neutral','error','success') made by require('wp-blog-header.php'), wp, WP->main, do_action_ref_array('wp'), WP_Hook->do_action, WP_Hook->apply_filters, wpForo->init, do_action('wpforo_before_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForoNotices->init

15-Dec-2020 16:21:23 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SELECT DISTINCT `key`, `value` FROM `wpot_wpforo_logs` WHERE `sessionid` = 'dkBxujAEyYEQ96I1cHTJQw6SxbJ0s1oaHDBQyYJQemb' AND `key` IN('neutral','error','success') made by require('wp-blog-header.php'), wp, WP->main, do_action_ref_array('wp'), WP_Hook->do_action, WP_Hook->apply_filters, wpForo->init, do_action('wpforo_before_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForoNotices->init

15-Dec-2020 16:21:23 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SELECT DISTINCT `key`, `value` FROM `wpot_wpforo_logs` WHERE `sessionid` = '4ee9054dfae6bd961b7c9dda558afc4b34612505a125b1ab0acecdea962a41c5' AND `key` IN('neutral','error','success') made by require('wp-blog-header.php'), wp, WP->main, do_action_ref_array('wp'), WP_Hook->do_action, WP_Hook->apply_filters, wpForo->init, do_action('wpforo_before_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForoNotices->init

15-Dec-2020 16:18:35 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SELECT DISTINCT `key`, `value` FROM `wpot_wpforo_logs` WHERE `sessionid` = 'dkBxujAEyYEQ96I1cHTJQw6SxbJ0s1oaHDBQyYJQemb' AND `key` IN('neutral','error','success') made by require('wp-blog-header.php'), wp, WP->main, do_action_ref_array('wp'), WP_Hook->do_action, WP_Hook->apply_filters, wpForo->init, do_action('wpforo_before_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForoNotices->init

15-Dec-2020 16:16:26 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SELECT DISTINCT `key`, `value` FROM `wpot_wpforo_logs` WHERE `sessionid` = 'dkBxujAEyYEQ96I1cHTJQw6SxbJ0s1oaHDBQyYJQemb' AND `key` IN('neutral','error','success') made by require('wp-blog-header.php'), wp, WP->main, do_action_ref_array('wp'), WP_Hook->do_action, WP_Hook->apply_filters, wpForo->init, do_action('wpforo_before_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForoNotices->init

15-Dec-2020 16:15:37 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SELECT DISTINCT `key`, `value` FROM `wpot_wpforo_logs` WHERE `sessionid` = 'dkBxujAEyYEQ96I1cHTJQw6SxbJ0s1oaHDBQyYJQemb' AND `key` IN('neutral','error','success') made by require('wp-blog-header.php'), wp, WP->main, do_action_ref_array('wp'), WP_Hook->do_action, WP_Hook->apply_filters, wpForo->init, do_action('wpforo_before_init'), WP_Hook->do_action, WP_Hook->apply_filters, wpForoNotices->init

15-Dec-2020 16:15:36 UTC WordPress database error Table 'database_wp214.wpot_wpforo_logs' doesn't exist for query SHOW FULL COLUMNS FROM `wpot_wpforo_logs` made by do_action('login_form_resetpass'), WP_Hook->do_action, WP_Hook->apply_filters, wpforo_do_password_reset, wpForoNotices->add

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