[Freesurfer] Error message

This error message came up when running the base run with the notal check...any ideas how to fix this problem?

imgrege: no voxels in register ERROR: 'imgreg_4dfp /Applications/freesurfer/average/711-2C_as_mni_average_305 /Applications/freesurfer/average/711-2B_as_mni_average_305_mask talsrcimg_g11 none talsrcimg_to_711-2C_as_mni_average_305_t4 3335' failed! status=254 ERROR: mpr2mni305 execution aborted ERROR: mpr2mni305 failed, see transforms/talairach_avi.log Darwin CHP-MP2.local 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386

recon-all exited with ERRORS at Tue Oct 6 17:33:24 EDT 2009