Fatal error: Uncaught Error: Class 'ParagonIE_Sodium_Core_BLAKE2b' not found in C:\xampp7\htdocs\edgpens\vendor\paragonie\sodium_compat\namespaced\Core\BLAKE2b.php:4 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\edgpens\vendor\paragonie\sodium_compat\namespaced\Core\BLAKE2b.php on line 4