Error thrown php7.2 front.php 93

Method save_reply is throwing following Exception with php 7.2:

Uncaught ArgumentCountError: Too few arguments to function gdbbAtt_Front::save_reply(), 3 passed in …/class-wp-hook.php on line 286 and exactly 5 expected in …/wp-content/plugins/gd-bbpress-attachments/code/attachments/front.php:93

following change did help (anonymous_data and reply_author not used in this method):
public function save_reply($reply_id, $topic_id, $forum_id, $anonymous_data=null, $reply_author=null) {

I’m using also the plugin bbPress – Moderation Tools