IGMP problem with RB2011iL

Dear all,

I have a problem when try to add igmpproxy package or milticast package to my Mikrotik router.
I try to upgrade router OS but it’s not affected.
Now, its version is 6.37.4, but i can’t upgrade it, and can’t add package support multicast.

Pls support me ASAP!

My contact email: toanduc85@gmail.com

Thank you very much!