Hacking Smash Bros 3DS, Error Code: 002-0119

[Miles54321]

Hey guys, I have a few questions if anything would be kind enough to answer them

1) When I try to go online on Super Smash Bros 3DS I get a message saying:

"In order to use this service a system update is required,

To perform a system update, select System Update from Other Settings in System Settings"

I am on Gateway Ultra 3.7.2 BETA
I am on EmuNAND (GW3D 9.0.0-20E)
and SysNAND (9.0.0-20E)

Is there anything I can get to prevent this error and play online again?

2) I have been away from the scene for a while, is there a good way of getting homebrew onto the 3ds?

3) I downloaded "Free Multi Patcher V0.5.cia" I am unable to get it running after installing it with Title Manager, any tips/alternatives

4) The AL9H installer lets you boot staright to EmuNAND without using the Zelda/Cubic Ninja 3DS Card right? I am not interested in doing this yet but I was wondering if there is a difference between GW Ultra 4.2 and 3.7 currently, they seem similar

Thanks