Help me Nis Synchronizing?

Hello, the Nis is in yellow it says “NIS is synchronizing. At block 131767, est. 361 days behind. (at block 131767)” which means?

Can i deposit now my XEM tokens? I’ve tried to deposit from my bitrrex wallet to my NEM wallet, but bittrex fails to recognize my NEM wallet address as valid.

This is my client info by the way:

NEM Community Client - NCC
0.6.77-BETA
Signer N/A
NEM Infrastructure Server - NIS
0.6.77-BETA
Signer N/A

Hello, my wallet just finished synchronizing NIS. But i still can’t deposit XEM tokens from bittrex to my client wallet. It says invalid in bittrex.

What are you entering as address in the bittrex ui?