It means that you have two frames in the 001.mgz file. Sometimes this happens with multiecho mprages. If this is the case, you can convert your input to a single frame with
mri_concat --rms file.mgz --o file.rms.mgz
Then use file.rms.mgz as the input to recon-all

On 3/3/2022 12:04 AM, HYE JUNG YOUN wrote:

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Dear Freesurfer developers,

I realised some of my recon-alls been processed with the following error:

ERROR: input(s) cannot have multiple frames! /Users/mac_01/Desktop/1155_401/mri/orig/001.mgz has 2 frames

(I have attached the recon-all.log)

I checked the mri info and I think the problem is the dimensions which is 256 x 256 x 211 x 2.

I’ll attach the original commands I used with mri info in txt file in case it would help you to see where I went wrong.

If anyone has been through this problem or if you know what I can do to fix this, please let me know.

Best,

H
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