Issue #3070132 by Peter Majmesku: Undefined index: changefreq Notice…

[podarok]

Original Issue, this PR is going to fix: https://openy.slack.com/archives/C6G4ZTLVC/p1612804429091700 фтв https://www.drupal.org/project/simple_sitemap/issues/3070132#comment-13992180

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If there is a new feature or this is a bug fix - use 9.x-2.x branch. We'll tag for release if the bug is critical asap or tag for release next bug fix release until critical issue arrived.

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Thank you for your contribution!

[gundevel]

Build comment file:

Check Open Y Installation Wizard at http://install.openy.cibox.tools/build3085/install.php

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[gundevel]

Open Y Upgrade Path site check installed at http://upgrade.openy.cibox.tools/build3085/

[podarok]

Thanks @froboy