Error during session start; please check your PHP and/or webserver log file and configure your PHP

Environment: Windows Server 2008 R2 IIS7.5 PHP7.3+
Error:
Error during session start; please check your PHP and/or webserver log file and configure your PHP installation properly. Also ensure that cookies are enabled in your browser.
Solution:
Permissions problem, Windows – temp set IIS_IUSRS write permissions, solved.

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