Jadpo is experimental and not ready for production. These docs follow the compiler's main branch as of 5 Nov 2026. What's built · Install 0.3.0
jadpo
ReferenceErrors

ErrorsEntities, stores and migrations · rule

migration.decision_invalid

Migration decision does not fit its change.

Area 5, Entities, stores and migrations; not declinable; the next step is usually the agent's.

example
migration {    Note.stars: {        backfill: 9    }}
jadpo checkcheck failed: 1 error, 4 files

error The decision about Note.stars doesn't fit its change

--> database/migrations/20261020T1401_add_stars/changes.jadpo:3:19

  |3 |         backfill: 9  |                   ^ doesn't fit
reason
This value can't fill Note.stars: it is above the field's max.
next
Write Note.stars: { backfill: <value> } with a value of its type (agent)
rule
migration.decision_invalid
help
https://jadpo.dev/docs/errors/migration.decision_invalid

Markdown for agents: /docs/errors/migration.decision_invalid.md.Built from Jadpo main at aee2e8f.