CR_CANT_FIND_CHARSET 1828 ext/mysqlnd/mysqlnd.c SET_CLIENT_ERROR(*conn->error_info, CR_CANT_FIND_CHARSET, UNKNOWN_SQLSTATE, CR_CANT_FIND_CHARSET 2392 ext/mysqlnd/mysqlnd.c SET_CLIENT_ERROR(*conn->error_info, CR_CANT_FIND_CHARSET, UNKNOWN_SQLSTATE, "Unknown character set");