Issue: Cannot merge accounts

Server Error
Database Error: UPDATE `vw_usercount` SET `vw_contribs` = vw_contribs + 2, `vw_comments` = vw_comments + 0, `vw_reports` = vw_reports + 0, `vw_feeds` = vw_feeds + 0, `vw_feedposts` = vw_feedposts + 0, `vw_uploads` = vw_uploads + 0, `vw_categorizes` = vw_categorizes + 0, `vw_chapters` = vw_chapters + 0, `vw_grouped` = vw_grouped + 0, `vw_islands` = vw_islands + 0, `vw_redirects` = vw_redirects + 0, `vw_templates` = vw_templates + 0, `vw_translates` = vw_translates + 0, `vw_lastdateline` = 1550091156, `vw_lastactivity` = 7:4895, `vw_subscribed` = 1 WHERE userid = 636 LIMIT 1 Mysqli prepare error: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ':4895, `vw_subscribed` = 1 WHERE userid = 636 LIMIT 1' at line 15

vw_DB_Controller_XF->throw_error() in /var/www/html/vault/core/controller/db/xf.php at line 171
vw_DB_Controller_XF->query_write() in /var/www/html/vault/core/model/db/mysql/vw.php at line 1234
vw_DB_MySQL_Model->shutdown_or_run() in /var/www/html/vault/core/model/db/mysql/vw.php at line 882
vw_DB_MySQL_Model->update() in /var/www/html/vault/core/model/plugins/data/vw.php at line 468
vw_Plugins_Data_Model->do_user_merge_target_required() in /var/www/html/vault/core/model/plugins/data/vw.php at line 89
vw_Plugins_Data_Model->do_user_merge() in vw/XenForo/Model/User.php at line 158
vw_XenForo_Model_User->changeContentUser() in XenForo/Model/User.php at line 3080
XenForo_Model_User->mergeUsers() in XenForo/ControllerAdmin/User.php at line 678
XenForo_ControllerAdmin_User->actionMerge() in XenForo/FrontController.php at line 369
XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 152
XenForo_FrontController->run() in /var/www/html/admin.php at line 13