deepseek-ai/deepseek-harness · error · Error

goal ${operation} cannot change objective or maxGoalRounds

Error message

goal ${operation} cannot change objective or maxGoalRounds

What it means

Error "goal ${operation} cannot change objective or maxGoalRounds" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/goal/goal/src/fold.ts:188

    updatedAt,
  } satisfies GoalSnapshotChangeMeta
}

/** Narrow model attribution to a valid goal source. */
function goalSource(source: MessageSource): GoalMessageSource | undefined {
  if (source.kind !== 'goal') return undefined
  if (typeof source.goalId !== 'string' || source.goalId.length === 0
    || !Number.isSafeInteger(source.revision) || source.revision < 1
    || !Number.isSafeInteger(source.round) || source.round < 1) {
    throw new Error('goal message source is invalid')
  }
  return source
}

/** Require two snapshots to retain fields that only `edit` may replace. */
function requireSameDefinition(current: GoalSnapshot, next: GoalSnapshot, operation: GoalOperation): void {
  if (next.objective !== current.objective || next.maxGoalRounds !== current.maxGoalRounds) {
    throw new Error(`goal ${operation} cannot change objective or maxGoalRounds`)
  }
}

/** Require one exact next revision of the current goal. */
function requireNextRevision(current: GoalSnapshot, next: GoalRef, operation: GoalOperation): void {
  if (next.id !== current.id || next.revision !== current.revision + 1) {
    throw new Error(`goal ${operation} must advance the current goal by one revision`)
  }
}

/** Validate one non-create snapshot operation against the preceding projection. */
function validateSnapshotTransition(
  state: GoalFoldState,
  change: GoalSnapshotChangeMeta,
  current: GoalSnapshot,
): void {
  const next = change.goal
  requireNextRevision(current, next, change.operation)

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/goal/goal/src/fold.ts:188 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/f011fb5e11d9f0f5. Report an issue: GitHub.