gds.beta.listProgress() doesn't work as documented!

GDS 1.7, Neo4j 4.3

GraphSage is being trained, and I ran:
call gds.beta.listProgress('') YIELD jobId, taskName, progress

The output is:

jobId        taskName           progress

80eb03f0-4e10-45da-8910-fd36d9c7b7cc  GraphSageTrain  n/a

The most important 'progress' is displayed as 'n/a', not an actual percentage number as documented here: