1 exception(s): Exception #0 (Exception): Notice: Undefined offset: 2 in /home/309544.cloudwaysapps.com/gusczrhbaj/public_html/vendor/magento/framework/Encryption/Encryptor.php on line 588 Exception #0 (Exception): Notice: Undefined offset: 2 in /home/309544.cloudwaysapps.com/gusczrhbaj/public_html/vendor/magento/framework/Encryption/Encryptor.php on line 588
Can you check if the discrebd problem/solution here can help you? https://github.com/magento/magento2/issues/23511#issuecomment-520534869
Also here's the practical solution: https://stackoverflow.com/questions/57458213/notice-undefined-offset-2-in-vendor-magento-framework-e...
Has anyone found a solution that does not involve the workaround proposed that updates the admin_user record with:
UPDATE admin_user SET password = CONCAT(SHA2('xxxxxxxxNewPassword', 256), ':xxxxxxxx:1') WHERE username = 'username';
this solution helped
By creating a new admin.
Please follow the below to resolve this
For this you have to check you php version which you use for magento version 2.3
you can check magento 2.3 requirements here : https://devdocs.magento.com/guides/v2.3/install-gde/system-requirements-tech.html
Let me know if any issues
If my answer is useful, please Accept as Solution & give Kudos
Just simply update your PHP version because Magento 2 won't work on 7.1.
If you still need any help, feel free to ping me or inbox me.
this error coming on magento 2.4 with php 7.4