FSL Melodic ICA Fatal Error

Hi all! I have been trying to run an ICA concatenation through FSL Melodic and I had to delete some volumes from Sub-63 but now I keep receiving this fatal error when running the script to process:

Error - registration has not been run for /home/groups/cbohon/FAB/analysis/fmriprep/fmriprep/sub-63/func/sub-63_task-rest_space-MNI152NLin2009cAsym_desc-smoothAROMAnonaggr_bold2_preliminary++.ica

FATAL ERROR ENCOUNTERED:
COMMAND:
/home/groups/russpold/software/fsl-6.0.1/bin/featregapply /home/groups/cbohon/FAB/analysis/fmriprep/fmriprep/sub-63/func/sub-63_task-rest_space-MNI152NLin2009cAsym_desc-smoothAROMAnonaggr_bold2_preliminary++.ica
ERROR MESSAGE:
child process exited abnormally
END OF ERROR MESSAGE

Hoping someone can help me troubleshoot this! Thanks!

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