Fatal error: Uncaught Error: Class 'ParagonIE_Sodium_Core_AES_KeySchedule' not found in C:\xampp7\htdocs\edgpens\vendor\paragonie\sodium_compat\src\Core\AES\Expanded.php:10 Stack trace: #0 {main} thrown in C:\xampp7\htdocs\edgpens\vendor\paragonie\sodium_compat\src\Core\AES\Expanded.php on line 10