rest error

Warning: Escape sequence 'Z' is not valid. See 'help sprintf' for valid
escape sequences.
> In rest_detrend at 24
  In alff_gui>(parfor body) at 1279
  In parallel_function at 470
  In alff_gui>Detrend at 1269
  In alff_gui>btnComputeAlff_Callback at 309
  In gui_mainfcn at 96
  In alff_gui at 34
老师,怎样解决这个问题啊?我下载的是最新版的rest,matlab2012a

 I guess there maybe some special word in your directory/path.
What I suggest in naming file or path is only using A-Z/a-z, plus 0-9, no space or any special character.

Anyway, your report is just a warning, not an error, do not need to be too cautious.