PHP warning: Undefined array key "fetchit_called"

[mage66]

PHP warning: Undefined array key "fetchit_called"

error shown in logs every time page with Fetchit is loaded.

to fix it in 'file core/components/fetchit/src/FetchIt.php' add 'isset()' on 81 line

if (!$_SESSION['fetchit_called']) {

to

if (!isset($_SESSION['fetchit_called'])) {

[lexsmil]

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