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