Warning: require_once(db_config.php): Failed to open stream: No such file or directory in /var/www/bitcardoApp/models/crypto/send_crypto_processor_old.php on line 2

Fatal error: Uncaught Error: Failed opening required 'db_config.php' (include_path='.:/usr/share/php') in /var/www/bitcardoApp/models/crypto/send_crypto_processor_old.php:2 Stack trace: #0 {main} thrown in /var/www/bitcardoApp/models/crypto/send_crypto_processor_old.php on line 2