I got this error when I changed my index.php file into index.html file and then changed back again to its original index.php file
Can anyone tell me what to do to pre
when using ini_set be sure to set the path '/tmp' rather than just 'tmp' didn't work in my case 'tmp'. just like
ini_set('session.save_path', '/tmp')
Steps to solution
create folder tmp inside of the website root
change permission to 777
sudo chmod -R 777 tmp
enter this line above session_start() in your code
ini_set('session.save_path', '/tmp');
done.