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I have setup magento 2.2.6 website on local system. PHP Version 7.2.12 installed on the local system.

When I have run url on local system then getting error:

[2018-12-12 06:51:27] main.CRITICAL: Warning: Use of undefined constant MCRYPT_RIJNDAEL_256 - assumed 'MCRYPT_RIJNDAEL_256' (this will throw an Error in a future version of PHP) in D:\xampp\htdocs\testing226\vendor\magento\framework\Encryption\Encryptor.php on line 394

How to fix the issue? can anyone suggest the solution?

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1 Answer 1

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It looks like you are missing the mcrypt php extension.
I've read in various places that it's not that straight forward to install mcrypt on php 7.2.
But you can follow this tutorial on how to do it: https://www.techrepublic.com/article/how-to-install-mcrypt-for-php-7-2/

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  • thanks for your reply. can you give me process to install on local xampp.
    – Vinod Kumar
    Dec 12, 2018 at 10:13
  • I don't know It. Search for it online.
    – Marius ♦
    Dec 12, 2018 at 11:41
  • This should be accepted as answer.
    – Magento Learner
    Apr 10, 2019 at 13:51

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