PHP8: TypeError: closedir(): Argument #1 ($dir_handle) must be of type resource or null, bool given

[rozhuk-im]

TypeError: closedir(): Argument #1 ($dir_handle) must be of type resource or null, bool given

An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the searchstats plugin.

More info has been written to the DokuWiki error log.

2022-02-05 22:39:07TypeError: closedir(): Argument #1 ($dir_handle) must be of type resource or null, bool given /usr/local/www/wiki/lib/plugins/searchstats/helper.php(63)
    #0 /usr/local/www/wiki/lib/plugins/searchstats/helper.php(63): closedir()
    #1 /usr/local/www/wiki/lib/plugins/searchstats/action.php(34): helper_plugin_searchstats->getSearchWordArray()
    #2 /usr/local/www/wiki/lib/plugins/searchstats/admin.php(32): action_plugin_searchstats->getSearchWordArray()
    #3 /usr/local/www/wiki/inc/Action/Admin.php(33): admin_plugin_searchstats->handle()
    #4 /usr/local/www/wiki/inc/ActionRouter.php(83): dokuwiki\Action\Admin->preProcess()
    #5 /usr/local/www/wiki/inc/ActionRouter.php(48): dokuwiki\ActionRouter->setupAction()
    #6 /usr/local/www/wiki/inc/ActionRouter.php(60): dokuwiki\ActionRouter->__construct()
    #7 /usr/local/www/wiki/inc/actions.php(16): dokuwiki\ActionRouter::getInstance()
    #8 /usr/local/www/wiki/doku.php(122): act_dispatch()
    #9 {main}