IB special labeling

[maratrm]

Hi!
I recently place an order QG and received notification from IB broker:
What should I do about it?

NOTIFICATION REGARDING SPECIAL LABELINGPlease be aware that this account has traded a product(s) which is subject to special labeling on the Trader Workstation. The details of the relevant execution are reflected below. The last trading date for this contract will be in the calendar month prior to the month used in the contract description.

QGH2@NYMEX
Thanks

[NinjaTrader_Matthew]

Hello,

This message comes from Interactive Brokers and is intended to inform you that the QG March contract last trade date is today,02/24/2012

You can review this contracts product calender from the CME Group website:

http://www.cmegroup.com/trading/energy/natural-gas/emini-natural-gas_product_calendar_futures.html

Please check with your broker for information on how to proceed.