RSS Feed/News ErrorException: [E_DEPRECATED] strtolower(): Passing null to parameter #1 ($string) of type string is deprecated

[ENXF NET]

Just got some of these errors this morning. I read the other thread that said it was fix in 2.2.11.
I'm running 2.2.11 and PHP 8.1.12

ErrorException: [E_DEPRECATED] strtolower(): Passing null to parameter #1 ($string) of type string is deprecated src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php:256
Generated by: Unknown account Dec 2, 2022 at 9:23 AM
Stack trace
#0 [internal function]: XF::handlePhpError(8192, '[E_DEPRECATED] ...', '/home/removed/publi...'...
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