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Hi,
I've been processing some 3T MRI scans through Freesurfer and recently implemented the use of the -3T flag for nu-correction. I have processed about 200 scans and the majority of them have gone through with out an issue. However there are a handful that I received and error: nu_correct message in the recon-all log. I've visually inspected these images and there appears to be nothing wrong with them. I've attached the error code below. Does anyone know what might be causing this? Furthermore, one of these images had actually been processed without a 3T flag prior without issues so it appears to be intrinsic to flag.
Assertion failed: (pxp->bf_refcount <= 0), function ncio_px_sync, file ./posixio.c, line 798. nu_evaluate: crashed while running minc_modify_header (termination status=6) nu_correct: crashed while running nu_evaluate (termination status=65280) ERROR: nu_correct