trying to use the lakefsfilesystem command but hitting an issue during the exists check

ApiException: Content type "text/html; charset=utf-8" is not supported for type: class io.lakefs.clients.api.model.ObjectStats

at io.lakefs.clients.api.ApiClient.deserialize(ApiClient.java:820)
	at io.lakefs.clients.api.ApiClient.handleResponse(ApiClient.java:1018)
	at io.lakefs.clients.api.ApiClient.execute(ApiClient.java:942)
	at io.lakefs.clients.api.ObjectsApi.statObjectWithHttpInfo(ObjectsApi.java:951)
	at io.lakefs.clients.api.ObjectsApi.statObject(ObjectsApi.java:926)
	at line5d6e3b0c24b7451286b18d306ab324e641.$read$$iw$$iw$$iw$$iw$$iw$$iw.<init>(command-2512540293621644:1)
	at line5d6e3b0c24b7451286b18d306ab324e641.$read$$iw$$iw$$iw$$iw$$iw.<init>(command-2512540293621644:47)
	at line5d6e3b0c24b7451286b18d306ab324e641.$read$$iw$$iw$$iw$$iw.<init>(command-2512540293621644:49)
	at line5d6e3b0c24b7451286b18d306ab324e641.$read$$iw$$iw$$iw.<init>(command-2512540293621644:51)
	at line5d6e3b0c24b7451286b18d306ab324e641.$read$$iw$$iw.<init>(command-2512540293621644:53)
	at line5d6e3b0c24b7451286b18d306ab324e641.$read$$iw.<init>(command-2512540293621644:55)
	at line5d6e3b0c24b7451286b18d306ab324e641.$read.<init>(command-2512540293621644:57)

reproduced with a minimal call to

objects.statObject("example","master","0")