Fatal error: Uncaught Error: Class "core_external\external_api" not found in C:\xamppasploms\htdocs\asaploms\payment\classes\external\get_available_gateways.php:34
Stack trace:
#0 {main}
thrown in C:\xamppasploms\htdocs\asaploms\payment\classes\external\get_available_gateways.php on line 34