Indeed: there is something to be found. I include all error messages that directly relate to a single email address (which I have anonymized):
[Mon Jun 22 09:16:24.099497 2015] [:error] [pid 27704] [client 31.25.121.188:65459] WordPress-Datenbank-Fehler Table 'db_4567_2_jjt.wp_5_subscribe_reloaded_subscribers' doesn't exist f\xc3\xbcr Abfrage SELECT salt, subscriber_unique_id FROM wp_5_subscribe_reloaded_subscribers WHERE subscriber_email = '[email protected]' von wp_new_comment, do_action('comment_post'), call_user_func_array, wp_subscribe_reloaded->new_comment_posted, wp_subscribe_reloaded->notify_user, wp_subscribe_reloaded->get_subscriber_key, referer: https://freakshow.fm/fs156-grosses-loch-alleine-reicht-nicht
[Mon Jun 22 10:37:04.479767 2015] [:error] [pid 38246] [client 62.30.150.238:56597] WordPress-Datenbank-Fehler Table 'db_4567_2_jjt.wp_5_subscribe_reloaded_subscribers' doesn't exist f\xc3\xbcr Abfrage SELECT salt, subscriber_unique_id FROM wp_5_subscribe_reloaded_subscribers WHERE subscriber_email = '[email protected]' von do_action('wp_ajax_dim-comment'), call_user_func_array, wp_ajax_dim_comment, wp_set_comment_status, do_action('wp_set_comment_status'), call_user_func_array, wp_subscribe_reloaded->comment_status_changed, wp_subscribe_reloaded->notify_user, wp_subscribe_reloaded->get_subscriber_key, referer: https://freakshow.fm/wp-admin/edit-comments.php?p=8833&approved=1
[Mon Jun 22 12:01:53.745479 2015] [:error] [pid 49535] [client 62.30.150.238:59032] WordPress-Datenbank-Fehler Table 'db_4567_2_jjt.wp_5_subscribe_reloaded_subscribers' doesn't exist f\xc3\xbcr Abfrage SELECT salt, subscriber_unique_id FROM wp_5_subscribe_reloaded_subscribers WHERE subscriber_email = '[email protected]' von do_action('wp_ajax_replyto-comment'), call_user_func_array, wp_ajax_replyto_comment, wp_new_comment, do_action('comment_post'), call_user_func_array, wp_subscribe_reloaded->new_comment_posted, wp_subscribe_reloaded->notify_user, wp_subscribe_reloaded->get_subscriber_key, referer: https://freakshow.fm/wp-admin/edit-comments.php?p=8833&approved=1
[Mon Jun 22 13:15:58.680889 2015] [:error] [pid 58973] [client 2001:4dd0:ff00:9656:8904:98b1:6a19:336a:65484] WordPress-Datenbank-Fehler Table 'db_4567_2_jjt.wp_5_subscribe_reloaded_subscribers' doesn't exist f\xc3\xbcr Abfrage SELECT salt, subscriber_unique_id FROM wp_5_subscribe_reloaded_subscribers WHERE subscriber_email = '[email protected]' von wp_new_comment, do_action('comment_post'), call_user_func_array, wp_subscribe_reloaded->new_comment_posted, wp_subscribe_reloaded->notify_user, wp_subscribe_reloaded->get_subscriber_key, referer: https://freakshow.fm/fs156-grosses-loch-alleine-reicht-nicht
[Mon Jun 22 17:22:54.740485 2015] [:error] [pid 91031] [client 89.144.207.161:65114] WordPress-Datenbank-Fehler Table 'db_4567_2_jjt.wp_5_subscribe_reloaded_subscribers' doesn't exist f\xc3\xbcr Abfrage SELECT salt, subscriber_unique_id FROM wp_5_subscribe_reloaded_subscribers WHERE subscriber_email = '[email protected]' von wp_new_comment, do_action('comment_post'), call_user_func_array, wp_subscribe_reloaded->new_comment_posted, wp_subscribe_reloaded->notify_user, wp_subscribe_reloaded->get_subscriber_key, referer: https://freakshow.fm/fs156-grosses-loch-alleine-reicht-nicht
[Mon Jun 22 18:07:10.239547 2015] [:error] [pid 97004] [client 84.114.142.63:46725] WordPress-Datenbank-Fehler Table 'db_4567_2_jjt.wp_5_subscribe_reloaded_subscribers' doesn't exist f\xc3\xbcr Abfrage SELECT salt, subscriber_unique_id FROM wp_5_subscribe_reloaded_subscribers WHERE subscriber_email = '[email protected]' von wp_new_comment, do_action('comment_post'), call_user_func_array, wp_subscribe_reloaded->new_comment_posted, wp_subscribe_reloaded->notify_user, wp_subscribe_reloaded->get_subscriber_key, referer: https://freakshow.fm/fs156-grosses-loch-alleine-reicht-nicht