Undefined index: port / path / index

  • On a regular base and on different sites, the following exceptions are thrown in our debug log:

    PHP Notice: Undefined index: port in /www/htdocs/{…}/wp-content/plugins/wp-less/lib/Plugin.class.php on line 312
    PHP Notice: Undefined index: path in /www/htdocs/{…}/wp-content/plugins/wp-less/lib/Plugin.class.php on line 312
    PHP Notice: Undefined index: extension in /www/htdocs/{…}/wp-content/plugins/wp-less/lib/Plugin.class.php on line 316

    We cannot find any problem within our code.
    Could you support here?
    Many thanks in advance!

    [Moderator note: Please, No bumping].

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