Reply to what just happened to my mapping?

What just happened to my mappping? First time mapping a controller and im moving along alot faster than i thought untill today. Firstly im mapping my K2 to T2.1.1.

Everthing was running smoothly and I was looking at finishing up the mapping (excluding led commands) when all of a sudden my mapping went to batshit. First problem I encountered was when I wanted to move a beatmasher dedicated nob to another nob, all i did was to go into that fx assignation and relearn all functions to the other nob, which when tested worked fine, however the old nob still commanded the same functions as well. The second thing to happen was that my dedicated Gater controll started to load transpose, strange as i had gater selected with "effect select".... after much efing around tring to find where i went wrong not could not. I saved the mapping using export function then deleted all other mappings from drop down menu and reimported my saved tsi only to find that even more functions were lost, Play was lost but cue still there for example.

Does anyone have an idea if this is a software problem or possibly although far less likely a problem with k2. Im kind of dredding having to redo everything only to have same thing happen again, if its software ill just go back to Tpro as im not using sample decks.

I had noticed that when changing tsi files out some of the led functions from last file were still present on controller, to get rid of these I deleted all other tsi files from "add" drop down menu.... possible this problem is related to the one im expieriencing now.

ideas????