# Should fail: `colums` is a typo for `columns`. The lowering equivalent of
# serde's `deny_unknown_fields` rejects it and lists the keys that ARE allowed.
# Caught by L1 (parse) — exit 1.
#
# Run: cargo run -- samples/error_unknown_key.yml
tables:
- name: tasks
colums: # typo — should be `columns`
task_id:
primary_key: