deepseek-ai/deepseek-harness · error · Error

dsh-scope: scope key is already bound to a parent; re-linkin

Error message

dsh-scope: scope key is already bound to a parent; re-linking requires the binding returned by the original bind

What it means

Error "dsh-scope: scope key is already bound to a parent; re-linking requires the binding returned by the original bind" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/core/scope/src/index.ts:74

    if (cursor === key) throw new Error('dsh-scope: scope parent link would form a cycle')
  }
  scopeParents.set(key, parent)
}

/**
 * Bind `parent` as `key`'s enclosing scope, once.
 *
 * A key that already has a parent throws: there is no open re-link path, so a
 * scope's ancestry cannot be moved by anyone but the original binder, who
 * alone receives the {@link ScopeParentBinding}. A link that would close a
 * cycle is rejected, because every chain consumer walks parents to the root.
 * @param key - the child scope key.
 * @param parent - its enclosing scope key.
 * @returns the binding that alone may re-link this key.
 */
export function bindScopeParent(key: ScopeKey, parent: ScopeKey): ScopeParentBinding {
  if (scopeParents.has(key)) {
    throw new Error('dsh-scope: scope key is already bound to a parent; re-linking requires the binding returned by the original bind')
  }
  linkScopeParent(key, parent)
  return {
    rebind(next: ScopeKey): void {
      linkScopeParent(key, next)
    },
  }
}

/**
 * Read one key's enclosing scope.
 * @param key - the scope key to inspect.
 * @returns its parent key, or `undefined` for a root scope.
 */
export function scopeParentOf(key: ScopeKey): ScopeKey | undefined {
  return scopeParents.get(key)
}

View on GitHub (pinned to b150a551b8)

Solutions

1. Use the binding returned by the original bind to re-link the scope key.

When it happens

Trigger: Thrown at packages/core/scope/src/index.ts:74 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/97df23e082a9ef75. Report an issue: GitHub.