[Spmn]

Quote:

Originally Posted by Abagail It doesn't work because version 3 removes some audio streams, resulting in crashes related to audio streams. Consider purchasing a physical or digital copy.

It has nothing to do with audio streams, but memory addresses. SA-MP is compatible only with GTA SA 1.0 US version.
Consider downgrading Steam Version to 1.0: http://gtaforums.com/topic/753764-steam-downgrader/