SGPro thinks you have selected the FITS only option (CFA FITS option). As you can see here, SGPro is only attempting to create a FITS file:
[09-Jan-17 20:32:55] [DEBUG] [Sequence Thread] Created full file name: C:\Users\Semra\Pictures\Astrofoto\Winter_2016\Light\M31_180sec__frame1-1.fit
Upon inspecting your sequence file, you also have have it set to output only FITS files. This is from the sequence you sent:
So… how are you setting the option to output RAW files? It does not seem to be getting applied to your sequence. Are you, by chance, adjusting this parameter in the profile manager and not the sequence?