Database error in Man of Teal | An OpenRCT2 Community

Query:
INSERT INTO `bx_timeline_handlers` SET `group`=?, `type`=?, `alert_unit`=?, `alert_action`=?, `content`=?, `privacy`=?

Mysql error:
Duplicate entry 'bx_albums-added' for key 'alert'

Location:
The error was found in query function in the file /home/manofteal/public_html/modules/base/notifications/classes/BxBaseModNotificationsDb.php at line 76.

collation_connection:
utf8mb4_unicode_ci

Called script:
/studio/module.php

Request parameters:

array (  'mod_action' => 'activate',  'mod_value' => 'bx_albums',  '_t' => '1552189197473', )