heudiconv/cli/run.py:30: in main
    workflow(**kwargs)
heudiconv/main.py:410: in workflow
    study_sessions = get_study_sessions(
heudiconv/parser.py:221: in get_study_sessions
    seqinfo_dict = group_dicoms_into_seqinfos(
heudiconv/dicoms.py:324: in group_dicoms_into_seqinfos
    mwinfo = validate_dicom(filename, dcmfilter)
heudiconv/dicoms.py:157: in validate_dicom
    mw = dw.wrapper_from_file(fl, force=True, stop_before_pixels=True)
/usr/lib/python3/dist-packages/nibabel/nicom/dicomwrappers.py:58: in wrapper_from_file
    dcm_data = pydicom.dcmread(fobj, *args, **kwargs)
/usr/lib/python3/dist-packages/pydicom/filereader.py:1030: in dcmread
    dataset = read_partial(
/usr/lib/python3/dist-packages/pydicom/filereader.py:852: in read_partial
    dataset = read_dataset(
/usr/lib/python3/dist-packages/pydicom/filereader.py:427: in read_dataset
    raw_data_element = next(de_gen)
/usr/lib/python3/dist-packages/pydicom/filereader.py:207: in data_element_generator
    fp_read(length) if length > 0
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
self = <nibabel.openers.ImageOpener object at 0xf1f76fd0>, size = 1768444706
    def read(self, size: int = -1, /) -> bytes:
>       return self.fobj.read(size)
E       MemoryError
/usr/lib/python3/dist-packages/nibabel/openers.py:223: MemoryError