I am trying to access frontend of magento 2.4.3 But getting

Use of undefined constant SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES - assumed 'SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES' (this will throw an Error in a future version of PHP) in /Applications/XAMPP/xamppfiles/htdocs/magento2/lib/internal/Magento/Framework/Encryption/Adapter/SodiumChachaIetf.php on line 40


I have enabled sodium php extension too.

Any thoughts on fixing this issue?

  • 1
    can you check the sodium php extension is installed
    – KAndy
    Commented Mar 26, 2022 at 4:17
  • I have the same problem, but I don't have access to SSH I have shared hosting Cpanel How can I solve this problem?
    – Johny
    Commented Nov 13, 2022 at 14:17

1 Answer 1


For me works

  1. Add "extension=sodium" to php.ini (no quotes)
  2. Copy php/libsodium.dll to apache/bin/
  3. Restart Server

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