Are you sure that your SA-MP host isn't using Linux? Let me know the name of your host and I can help you more but if they are you need the .so binaries of the plugin files for Linux.
It useing Windows server, and my host is game-serveri.net and i fit useing linux, it won't load up any plugin XD now is loaded Streamer and so on, but sscanff isn't and I was update it to last Version!