In basic view imp email list gives PHP-error

[artio-fi]

When using basic view and listing inbox we get next PHP-error.

Call to undefined method IMP_Mailbox_List::buildMailboxPage()
in /var/www/html/horde/vendor/horde/imp/lib/Basic/Mailbox.php:260

1. IMP_Basic_Base->__construct() /var/www/html/horde/vendor/horde/imp/basic.php:42
2. IMP_Basic_Mailbox->_init() /var/www/html/horde/vendor/horde/imp/lib/Basic/Base.php:69

URL: imp/basic.php?page=mailbox#mbox:SU5CT1g

FRAMEWORK_6_0 is missing imp/lib/Basic/Mailbox.php this can be found in FRAMEWORK_5_2 branch, and changes related to this is also missing, eg. imp/lib/Mailbox/List.php::public function buildMailboxPage($page = 0, $start = 0)