HDF5-DIAG: Error detected in HDF5 (version (number)) thread (IDs):
  #000: (file name) line (number) in H5Aopen(): unable to load attribute info from object header for attribute: 'attr'
    major: Attribute
    minor: Can't open object
  #001: (file name) line (number) in H5A__open(): unable to load attribute info from object header for attribute: 'attr'
    major: Attribute
    minor: Can't open object
  #002: (file name) line (number) in H5O__attr_open_by_name(): can't locate attribute: 'attr'
    major: Attribute
    minor: Object not found
h5dump error: unable to open attribute "attr"