updating to 2.3.6-p1 - Failed to set ini option “session.cookie_samesite” to value “Lax”

[BryanSalva]

We're working on updating to 2.3.6-p1 using composer. The Composer update looks like it runs well, the setup:upgrade looks like it runs well, the compile looks like it runs well, but when we try to visit the front end, we're met with an error report and an error logs in system.log. 

report.ERROR: Failed to set ini option "session.cookie_samesite" to value "Lax".

The error it's throwing is in line 630 of /vendor/magento/framework/Session/SessionManager.php 

Has anyone else run into this problem yet? any idea what's going wrong?

[Asadyar]

Check your PHP version and make sure you are running PHP 7.3 or above 

[LitExtension Expert]

Hi @BryanSalva,

You need to upgrade your PHP version to at least 7.3. 

Hope this can help you! Let me know if you need further assistance. 

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