phpbb 3 to mybb

[.m.]

please see similar problem & fix here
[obviously you have to work with file(s) in phpBB3 subfolder of Merge system]

you can comment out suggested lines in 2 files

~/merge/boards/phpbb3/users.php (line 100)

$insert_data['aim'] = $data['user_aim'];

~/merge/resources/modules/users.php (line 38)

'aim' => '',