Fatal error: Uncaught Error: Class 'CodeIgniter\Model' not found in D:\svn\gamble_old\백업20220530\Models\MemberMoneyExchangeHistoryModel.php:6 Stack trace: #0 {main} thrown in D:\svn\gamble_old\백업20220530\Models\MemberMoneyExchangeHistoryModel.php on line 6