\phpbb\report\report_handler_pm.php:56

Data too long for column 'reported_post_uid' at row 1 [1406]

The code:

'reported_post_uid'                    => $this->report_data['bbcode_bitfield'],
'reported_post_bitfield'            => $this->report_data['bbcode_uid'],

should be written like this:

'reported_post_uid'                    => $this->report_data['bbcode_uid'],
'reported_post_bitfield'            => $this->report_data['bbcode_bitfield'],