Fatal error: Uncaught Error: Class "BTCPayServer\Exception\BTCPayException" not found in /home/mydemotec/public_html/frun/vendor/btcpayserver/btcpayserver-greenfield-php/src/Exception/RequestException.php:9 Stack trace: #0 {main} thrown in /home/mydemotec/public_html/frun/vendor/btcpayserver/btcpayserver-greenfield-php/src/Exception/RequestException.php on line 9