Some activities fail to download

[nnachname90]

Describe the bug
When downloading my garmin data, there are a lot of errors and a few activities fail to download.

(builtins.LookupError) '<UnknownEnumValue.UnknownEnumValue_0: 0>' is not among the defined enum values. Enum name: heartratezonesmethod. Possible values: max_heart_rate, heart_rate_reserve, lactate_threshold.
Can't operate on closed transaction inside context manager. Please complete the context manager before emitting further commands.
total_distance([invalid] (Distance(invalid))) total_cycles([invalid] cycles (4294967295))

To Reproduce
garmindb_cli.py --activities --download --import --analyze

Logs
garmindb-log-24-12-07-v1.txt

Additional context
I use a garmin chest strap for heart rate monitoring.
Some of the missing activities are indoor climbing.