Type Error occurred when creating object: Magento\Framework\Session\Generic\Interceptor, setcookie() expects parameter 3 to be integer, array given

Question

After clear/setting/configuring so many errors & configurations installed the Magento V2.4.1 successfully, now getting below errors.

Type Error occurred when creating object: Magento\Framework\Session\Generic\Interceptor, setcookie() expects parameter 3 to be integer, array given

and

Type Error occurred when creating object: Magento\Backend\Model\Auth\Session\Interceptor, setcookie() expects parameter 3 to be integer, array given

I have ran the instance both PHP7.3 and PHP7.4 but getting same error. First time in the browser showing website, If I navigate any other page getting error continuously.

Continuously getting error and unable to open the backend and store front.

Help on this?

Answer 1

Just had this problem on a server. It was solved after I changed the nginx config to (before it was 7.2):

upstream fastcgi_backend { server unix:/var/run/php/php7.4-fpm.sock; }

And restarted nginx..

Answer 2

The issue is occurred due to the PHP older version. Check the PHP version print phpversion();.

Disable older version

sudo a2dismod php7.x

Enable PHP 7.4

sudo a2enmod php7.4

and restart apache2

sudo systemctl restart apache2

It's working good in my case

Answer 3

Use below commands and check

php bin/magento setup:di:compile rm -rf generated/code/ var/view_preprocessed/ var/page_cache

php bin/magento cache:clean php bin/magento cache:flush

Hope, your error will be solved.