Process command line options
Open the file outtmp.h5
Processing all datasets in the file...
Going to process dataset:/DSET_ERR...
Open the dataset
Retrieve the dataset's layout
Dataset is a chunked dataset
Retrieve the dataset's chunk indexing type
Dataset's chunk indexing type is not version 1 B-tree
Converting the dataset...
Error encountered
Close the file
h5format_convert error: unable to downgrade dataset "/DSET_ERR"
H5tools-DIAG: Error detected in HDF5:tools (1.11.0) thread 0:
  #000: /home/byrn/HDF_Projects/hdf5/dev/tools/lib/h5trav.c line 1062 in h5trav_visit(): traverse failed
    major: Failure in tools library
    minor: error in function
  #001: /home/byrn/HDF_Projects/hdf5/dev/tools/lib/h5trav.c line 290 in traverse(): H5Lvisit_by_name failed
    major: Failure in tools library
    minor: error in function