code: function (clt_name, op, err, onFail, is_exception) {
  
  	var msg = 'DB ' + op + ' error for [' + clt_name + ']';
  	LOG.error(msg, 'SR.DB');
  	LOG.error(err, 'SR.DB');
  	if (typeof err.stack !== 'undefined') {
  		LOG.error(err.stack, 'SR.DB');
  		msg += ('\n\n' + err.stack);
  	}
  	UTIL.safeCall(onFail, err);
  
  	if (is_exception) {
  		return;
  	}
  
  	// notify project admin if it's not code exception
  	// NOTE: only project admins are notified
  	UTIL.notifyAdmin(
  		'[SR DB error: ' + clt_name + ']',
  		msg
  	);
  }
docs: helper to notify DB error