Nostalrius Begins - Quality wow vanilla realm (1.12)

Hi, Im new on Nostalrius. I correctly download the game, and I can connect to the game.

I could play until the level 2, but now, WoW crash as soon as i connect myself. The report error says:

ERROR #132 (0x85100084) Fatal Exception
The instruction at "0x6D4FF6CE" referenced memory at "0x23D2F008".
The memory could not be "read".

What is it, and how can I fix that?

Thank you to help me

Ok, i found how to fix it:

https://www.youtube.com/watch?v=nRLmhBVkPFs

Good game