Error when Processing Bounces

I sent a test campaign to an experimental subscriber list with 6 members, one of which is fake, so as to test bounces.

When the cron job ran, I received the following cron job report:
phpList version 3.3.1 © 2000-2017 phpList Ltd, [^]
PHPlist - bounces to fetch from the mailbox
PHPlist - Please do not interrupt this process
PHPlist - Database error 1406 while doing query Data too long for column ‘data’ at row 1
PHPlist - Sql error insert into phplist_bounce (date,header,data)
values(“2017-09-06 15:24”,"Return-Path:
Received: from