Cann`t use/ Help me

[ghost]

#5 {main}
thrown in D:\Test\plugins\advanced_search\advanced_search.php on line 561
[08-Feb-2022 01:00:26 Europe/Minsk] PHP Fatal error: Uncaught Error: Call to undefined method rcmail::build_folder_tree() in D:\Test\plugins\advanced_search\advanced_search.php:561
Stack trace:
#0 D:\Test\plugins\advanced_search\advanced_search.php(445): advanced_search->folder_selector(Array)
#1 D:\Test\plugins\advanced_search\advanced_search.php(422): advanced_search->generate_searchbox()
#2 D:\Test\program\lib\Roundcube\rcube_plugin_api.php(570): advanced_search->display_advanced_search()
#3 D:\Test\program\include\rcmail.php(248): rcube_plugin_api->exec_action('plugin.display_...')
#4 D:\Test\index.php(283): rcmail->action_handler()
#5 {main}
thrown in D:\Test\plugins\advanced_search\advanced_search.php on line 561
how Fix it? Thanks.
Roundcube Version 1.5.2

[Dmitry422]

I have the same error with Roundcube 1.6
I not PHP-programmer, but it seems like plugin can't take access to main RC class with method build_folder_tree().
I hope plugin author read this thread and help us )

Thank you!

[Kea-hash]

Hello ! Got same error as described on RC 1.6.3. Still no fix for it