So I added some more to a map today I was creating and saved, then did the usual Compile BSP, Reflections & build fast file. The lighting part went really quick compared to normal (Took about 20secs rather than 1.5-2mins) When I ran the map I found none of the changes I had made today were included in the map. (It was just how it was before i did any work on it today).
So I immediately opened radiant again and checked to see if it had saved and it was all there, so it must be some error when compiling...
I recorded the compile BSP command prompt window to see if there was an error at the end before it closes, I see this:

After that it closes. I'm still a beginner at radiant so i'm unsure if it means anything, but please if anyone knows the solution to this I'd be grateful.

Thanks,
Perak.
Edit:// Nevermind, I fixed it myself. Thanks anyway!