attempt to call a RBXScriptConnection value but why?

I have made custom plugin prefab maker, there is a function called onRunning which fires when the module is Initialized (On bindable event).

function Plugin.OnRunning(Connection)
	return Startup.Event:Connect(Connection)
end

return Plugin

In the script, i require the module, which works and then i use the function like this:

Plugin.OnRunning(function()
	
end)

And here is when it errors. attempt to call a RBXScriptConnection. I can't seem to find out why, the module is connecting the given function to the event so what is not working?

Thanks, kirda

Basically the module i am requiring has saved it's old version and now i can't change it, every time i require it it returns the old saved version that must be a roblox bug.

Edit: So the problem is that roblox caches required module script source code. I fixed it by doing

require(MyModule:Clone())