Fatal error: Uncaught Error: Class 'ParagonIE_Sodium_Core_Curve25519' not found in C:\xampp7\htdocs\edgpens\vendor\paragonie\sodium_compat\namespaced\Core\Curve25519.php:4 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\edgpens\vendor\paragonie\sodium_compat\namespaced\Core\Curve25519.php on line 4