Fatal error: Uncaught Error: Class 'ParagonIE_Sodium_Core_Salsa20' not found in C:\xampp7\htdocs\edgpens\vendor\paragonie\sodium_compat\namespaced\Core\Salsa20.php:4 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\edgpens\vendor\paragonie\sodium_compat\namespaced\Core\Salsa20.php on line 4