Zeky

Well, um... I just saying in shop2.sma try from: menu_display(id, menu); to this: menu_display(id, menu, 0);

I have similiar problem and its solved by this little think... Idk if work for you, just try it

So... Try to run only default amxx plugins, if still... Try to upgrade your AMX Mod X to dev (1.8.3/1.9/1.10)

Or downgrade to stable 1.8.2

Um... I think, problem is in engine... Did you try reinstall server?

Second... Did you try clear HLDS without metamod ?

I think, you cant