Realign and Unwarp Issue

Running 'Realign & Unwarp'

SPM12: spm_realign (v6070) 17:09:55 - 09/01/2019
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Failed 'Realign & Unwarp'
Error using save
Unable to write file C:\Program Files\MATLAB\R2016b\data\functional\NYU_51159\rest\rp_rest.txt: permission denied.
In file "C:\Users\Sonzogo\Desktop\Good\spm12\spm_realign.m" (v6070), function "save_parameters" at line 541.
In file "C:\Users\Sonzogo\Desktop\Good\spm12\spm_realign.m" (v6070), function "spm_realign" at line 162.
In file "C:\Users\Sonzogo\Desktop\Good\spm12\config\spm_run_realignunwarp.m" (v6554), function "spm_run_realignunwarp" at line 78.
The following modules did not run:
Failed: Realign & Unwarp
Failed: Realign & Unwarp
Failed: Realign & Unwarp
Failed: Realign & Unwarp



Please any help i will appreciate