Hi, I am using the command to check my registration and getting this error message: could not find orig as either mgz or COR. This is the command I am using. tkregister2 --mov 18135.RS.mgz --reg 18135_RS_register.dat --surf ----------------------------------------OUTPUT-------------------------------------------------- INFO: no target volume specified, assuming FreeSurfer orig volume. target volume orig movable volume 18135.RS.mgz reg file 18135_RS_register.dat LoadVol 1 ZeroCRAS 0 $Id: tkregister2.c,v 1.121.2.1 2011/03/28 20:25:16 greve Exp $ Diagnostic Level -1 ---- Input registration matrix -------- -0.994 -0.040 0.100 2.799; -0.097 -0.071 -0.993 2.262; -0.047 0.997 -0.067 5.775; 0.000 0.000 0.000 1.000; float2int = 0 --------------------------------------- ERROR: could not find orig as either mgz or COR ------------------------------------------------------------------------------------------------