start error error while initializing the backend: processor [mysql] not found

[amen160]

Hi Guy!
I get Error: start error error while initializing the backend: processor [mysql] not found

Myconfig

bcfg := backends.BackendConfig{
"save_workers_size": 3,
"save_process": "HeadersParser|Debugger|Hasher|Header|Compressor|MySql",
"sql_driver": "mysql",
"sql_dsn": "newuser:password@tcp(localhost:3306)/new_mail?readTimeout=10s&writeTimeout=10s&charset=utf8mb4&collation=utf8mb4_unicode_ci",
"mail_table": "new_mail",
"sql_max_open_conns": 250,
"sql_max_idle_conns": 150,
"sql_max_conn_lifetime": "200s",
"log_received_mails": true,
"primary_mail_host": "xxx.com",
}