mz_db -Q ::Dataset.History <uuid> --> TypeError: unsupported operand type(s) for +: 'int' and 'NoneType'

[d004367@rosetta-bigviz04 MUST]$ mz_db -Q ::Dataset.History 7F37623054A74F8EA4B1D3DF02E4D989
### 
### ====================================================================
### MOSAIC (v1.0) - 2023-11-14T15:28:24
### 
Traceback (most recent call last):
  File "/softs/mosaic/1.0/ref/bin/mz_db", line 339, in 
    main_function(args, mzlog)
  File "/softs/mosaic/1.0/ref/bin/mz_db", line 211, in main_function
    results = run_query([(args.query, args.params, None), ],
  File "/softs/mosaic/1.0/ref/lib/python3.10/site-packages/MOSAIC/backbone/services/api/query.py", line 579, in run_query
    r = qry_func[0](mode, dbserver, qry_args, qual=qry_qual)
  File "/softs/mosaic/1.0/ref/lib/python3.10/site-packages/MOSAIC/backbone/services/api/query.py", line 343, in q_dataset_history
    return q_query.dataset_history(*args, **kwargs)
  File "/softs/mosaic/1.0/ref/lib/python3.10/site-packages/MOSAIC/backbone/services/qualification/query.py", line 554, in dataset_history
    history = graph(ds, r_name, catalog=False, child_parent=False)
  File "/softs/mosaic/1.0/ref/lib/python3.10/site-packages/MOSAIC/backbone/services/qualification/facade.py", line 619, in graph
    depth = 1 + depth
TypeError: unsupported operand type(s) for +: 'int' and 'NoneType'