Qubes Upgrade to 4.2 - In Place Upgrade

sudo qubes-dist-upgrade -p:

(STAGE 6) Convert qrexec policy to the new format, it may take several minutes
Initiating policy conversion process…
WARNING:root:warning: !compat-4.0 directive in file /etc/qubes/policy.d/35-compat.policy line 16 is transitional and will be deprecated
Traceback (most recent call last):
File “/usr/bin/qrexec-legacy-convert”, line 5, in
sys.exit(main())
File “/usr/lib/python3.11/site-packages/qrexec/tools/qrexec_legacy_convert.py”,
line 184, main
qrexec_policy_graph.main([‘–policy-dir’,
File “/usr/lib/python3.11/site-packages/qrexec/tools/qrexec_policy_graph.py”, line
186, in main
action = policy.evaluate(request)
File “/usr/lib/python3.11/site-packages/qrexec/policy/parser.py”, line 1623, in evaluate return rule.action.evaluate(request)
File “/usr/lib/python3.11/site-packages/qrexec/policy/parser.py”, line 1115, in evaluate
return request.ask.resolution_type(
File “/usr/lib/python3.11/site-packages/qrexec/policy/parser.py”, line 733, in init
assert default_target is None or default_target in targets_for_ask

AssertionError

How to convert qrexec policy files to the new format?