I'm new roundcube and php. I have installed roundcube and plugins. advanced search is not working for me and throwing below error in log. It was working actually and after some changes it stopped working.
[05-Jul-2022 16:39:49 Asia/Kolkata] PHP Fatal error: Uncaught Error: Call to undefined method rcmail::build_folder_tree() in /data/rcmail/plugins/advanced_search/advanced_search.php:561
Stack trace:
#0 /data/rcmail/plugins/advanced_search/advanced_search.php(445): advanced_search->folder_selector()
#1 /data/rcmail/plugins/advanced_search/advanced_search.php(422): advanced_search->generate_searchbox()
#2 /data/rcmail/program/lib/Roundcube/rcube_plugin_api.php(570): advanced_search->display_advanced_search()
#3 /data/rcmail/program/include/rcmail.php(248): rcube_plugin_api->exec_action()
#4 /data/rcmail/index.php(283): rcmail->action_handler()
#5 {main}
That error suggests the version of the advanced_search plugin you are running is not compatible with the version of Roundcube you are running.
Thanks a lot.