I can't seem to get the mutation detection module to work, I get the following error message every time I run it. Is there any solution?

thanks Alex

- Report from 'Mutation Detection' -
Using D:/My Documents/Alex/marker generation/BACK_ENDS/398/398_SOOCY72TR.scf as wild-type trace.
ERR: couldn't execute "trace_diff": no such file or directoryERR: couldn't execute "trace_diff": no such file or directory