I'm using Magento 2.2.1 CE.I got following error when I opened admin panel
"0":"Warning: Cannot use a scalar value as an array in
\\vendor\\magento\\framework\\Session\\SessionManager.php on line 470"
How to solve this ?
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This above fix still works for magento 2.3.3, but the line is 508 not 482.Mikkel Sønderskov Sørensen– Mikkel Sønderskov Sørensen2019-11-21 19:48:05 +00:00Commented Nov 21, 2019 at 19:48
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2 Answers
It's a Magento bug for not returning array if session has a value.
Temporary fix is, change line 482 to:
return isset($_SESSION[self::HOST_KEY]) ? [$_SESSION[self::HOST_KEY]] : [];
The fastest way to overcome the issue is to clear site data storage in your browser to refresh a session data