---
id: LANG-26
family: GR-LANG
level: core
profiles: [runtime]
posture: normative-target
added: "1.0"
changed: "1.0"
source: https://flowdrop.io/spec/rules/gr-lang/lang-26
specification: FlowDrop Workflow Specification 1.0-draft
licence: CC BY 4.0
---

# LANG-26 — A prompt template that fails to render fails the node

*GR-LANG (Part I) · level: core · profiles: runtime · added in 1.0*

## The rule

> **Normative.** This is the rule.
>
> When a prompt template fails to render (it cannot be compiled, it cannot be loaded, or it fails while rendering), the node fails and the failure routes to the error edge, preserving the original cause.

## Related rules

- Names: LANG-7, LANG-29
- Referenced by: LANG-29

---

Rule identifiers are permanent and are never renumbered. This specification carries
no implementation status: each implementation publishes its own standing against
these rules. Licensed CC BY 4.0.