a guard is not an object, or uses an operator outside the JSONLogic allowlist
fsm/malformed-guard
Generated from the language definition for ruleset 1.7.
Severity: error
Since: 1.0
Summary: a guard is not an object, or uses an operator outside the JSONLogic allowlist
Fix: use the documented operators; a set-level guard is count(…) or sum(…)
See also: /reference/expressions