Node: fmriprep_23_0_wf.single_subject_25_wf.func_preproc_ses_01_task_moraljudgment_run_06_wf.initial_boldref_wf.enhance_and_skullstrip_bold_wf.n4_correct
Working directory: /gpfs/milgram/scratch60/chang/mc2835/GMJ/GMJ_Preprocessing/fmriprep_workdir/fmriprep_23_0_wf/single_subject_25_wf/func_preproc_ses_01_task_moraljudgment_run_06_wf/initial_boldref_wf/enhance_and_skullstrip_bold_wf/n4_correct

Node inputs:

args = <undefined>
bias_image = <undefined>
bspline_fitting_distance = 200.0
bspline_order = <undefined>
convergence_threshold = <undefined>
copy_header = True
dimension = 3
environ = {'NSLOTS': '1'}
histogram_sharpening = <undefined>
input_image = /gpfs/milgram/scratch60/chang/mc2835/GMJ/GMJ_Preprocessing/fmriprep_workdir/fmriprep_23_0_wf/single_subject_25_wf/func_preproc_ses_01_task_moraljudgment_run_06_wf/initial_boldref_wf/gen_avg/sub-25_ses-01_task-moraljudgment_run-06_bold_average.nii
mask_image = <undefined>
n_iterations = <undefined>
num_threads = 1
output_image = <undefined>
rescale_intensities = True
save_bias = False
shrink_factor = <undefined>
weight_image = /gpfs/milgram/scratch60/chang/mc2835/GMJ/GMJ_Preprocessing/fmriprep_workdir/fmriprep_23_0_wf/single_subject_25_wf/func_preproc_ses_01_task_moraljudgment_run_06_wf/initial_boldref_wf/enhance_and_skullstrip_bold_wf/check_hdr/tpl-MNI152NLin2009cAsym_res-01_label-brain_probseg_trans_hdr.nii.gz

Traceback (most recent call last):
  File "/opt/conda/lib/python3.9/site-packages/nipype/pipeline/plugins/multiproc.py", line 67, in run_node
    result["result"] = node.run(updatehash=updatehash)
  File "/opt/conda/lib/python3.9/site-packages/nipype/pipeline/engine/nodes.py", line 527, in run
    result = self._run_interface(execute=True)
  File "/opt/conda/lib/python3.9/site-packages/nipype/pipeline/engine/nodes.py", line 645, in _run_interface
    return self._run_command(execute)
  File "/opt/conda/lib/python3.9/site-packages/nipype/pipeline/engine/nodes.py", line 771, in _run_command
    raise NodeExecutionError(msg)
nipype.pipeline.engine.nodes.NodeExecutionError: Exception raised while executing Node n4_correct.

Cmdline:
	N4BiasFieldCorrection --bspline-fitting [ 200 ] -d 3 --input-image /gpfs/milgram/scratch60/chang/mc2835/GMJ/GMJ_Preprocessing/fmriprep_workdir/fmriprep_23_0_wf/single_subject_25_wf/func_preproc_ses_01_task_moraljudgment_run_06_wf/initial_boldref_wf/gen_avg/sub-25_ses-01_task-moraljudgment_run-06_bold_average.nii --output sub-25_ses-01_task-moraljudgment_run-06_bold_average_corrected.nii -r --weight-image /gpfs/milgram/scratch60/chang/mc2835/GMJ/GMJ_Preprocessing/fmriprep_workdir/fmriprep_23_0_wf/single_subject_25_wf/func_preproc_ses_01_task_moraljudgment_run_06_wf/initial_boldref_wf/enhance_and_skullstrip_bold_wf/check_hdr/tpl-MNI152NLin2009cAsym_res-01_label-brain_probseg_trans_hdr.nii.gz
Stdout:

Stderr:

Traceback:
	Traceback (most recent call last):
	  File "/opt/conda/lib/python3.9/site-packages/nipype/interfaces/base/core.py", line 453, in aggregate_outputs
	    setattr(outputs, key, val)
	  File "/opt/conda/lib/python3.9/site-packages/nipype/interfaces/base/traits_extension.py", line 330, in validate
	    value = super(File, self).validate(objekt, name, value, return_pathlike=True)
	  File "/opt/conda/lib/python3.9/site-packages/nipype/interfaces/base/traits_extension.py", line 135, in validate
	    self.error(objekt, name, str(value))
	  File "/opt/conda/lib/python3.9/site-packages/traits/base_trait_handler.py", line 74, in error
	    raise TraitError(
	traits.trait_errors.TraitError: The 'output_image' trait of a _FixN4BiasFieldCorrectionOutputSpec instance must be a pathlike object or string representing an existing file, but a value of '/gpfs/milgram/scratch60/chang/mc2835/GMJ/GMJ_Preprocessing/fmriprep_workdir/fmriprep_23_0_wf/single_subject_25_wf/func_preproc_ses_01_task_moraljudgment_run_06_wf/initial_boldref_wf/enhance_and_skullstrip_bold_wf/n4_correct/sub-25_ses-01_task-moraljudgment_run-06_bold_average_corrected.nii' <class 'str'> was specified.

	During handling of the above exception, another exception occurred:

	Traceback (most recent call last):
	  File "/opt/conda/lib/python3.9/site-packages/nipype/interfaces/base/core.py", line 398, in run
	    runtime = self._post_run_hook(runtime)
	  File "/opt/conda/lib/python3.9/site-packages/nipype/interfaces/mixins/fixheader.py", line 127, in _post_run_hook
	    outputs = self.aggregate_outputs(runtime=runtime).get_traitsfree()
	  File "/opt/conda/lib/python3.9/site-packages/nipype/interfaces/base/core.py", line 460, in aggregate_outputs
	    raise FileNotFoundError(msg)
	FileNotFoundError: No such file or directory '/gpfs/milgram/scratch60/chang/mc2835/GMJ/GMJ_Preprocessing/fmriprep_workdir/fmriprep_23_0_wf/single_subject_25_wf/func_preproc_ses_01_task_moraljudgment_run_06_wf/initial_boldref_wf/enhance_and_skullstrip_bold_wf/n4_correct/sub-25_ses-01_task-moraljudgment_run-06_bold_average_corrected.nii' for output 'output_image' of a FixN4BiasFieldCorrection interface