[Rwp] Last touched FX parameter unavailable. Why oh why?

[theoreomonster at reaperaccess.com]

What version of reaper is this happening with? Curious as i noticed something over here with last touch track 

> On Nov 16, 2015, at 7:27 PM, onlineeagle <onlineeagle at gmail.com> wrote:
> 
> After having a massively successful day with Reaper, I was just about to go to bed, when I decided that I might as well finish the project I’m working on. After all, it would only consist of me automating the wet mix of the reverb effect on one track. It should take all of five minutes. And so hear I am, two hours later, typing this email. 
> 
> Something has happened to Reaper in the last 24 hours. Yesterday I could assign a control surface fader to my last touched effect, by going to the fx window, going to the param button and hitting learn. But for some strange reason, this has stopped working. I add an effect, I press shift P to go to the parameters list. I then adjust one of the parameters and press enter to close the window. Then I press f to get to the effects dialogue, hit the param button, and then the despair sets in. It says that the last touched parameter is unavailable. I’ve tried this with multiple effects and it’s always the same, yet it was working perfectly the day before. I’ve managed to find a work around, by pressing shift L to go to the automation mode window, then using NVDA screen review to find the parameter learn button and doing it that way. Weirdly this works. What on earth is going on now? 
> 
> Perhaps it’s something to do with updating Reaper today. Anyone with any ideas? Is this happening to anyone else?
> 
> Thanks again. I nearly managed a whole day without needing to ask a question on here.
> 
> 
> Sent from my iPhone
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