deepseek-ai/deepseek-harness · error · TypeError

typert-protocol: ${subject} must contain only RPC endpoint s

Error message

typert-protocol: ${subject} must contain only RPC endpoint segment characters

What it means

Error "typert-protocol: ${subject} must contain only RPC endpoint segment characters" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/typert/protocol/src/index.ts:278

    ...(exportName === undefined || exportName === method ? {} : { exportName }),
    invocation: Object.freeze(invocation),
  }
  const current = table.get(method)
  if (current !== undefined) {
    if (current.exportName === marker.exportName && sameInvocation(current.invocation, invocation)) return
    throw new Error(`typert-protocol: Remote method "${method}" has conflicting invocation markers`)
  }
  table.set(method, Object.freeze(marker))
}

function sameInvocation(left: RemoteInvocationMarker, right: RemoteInvocationMarker): boolean {
  return left.kind === right.kind
    && (left.kind === 'direct' || (right.kind === 'context' && left.context === right.context))
}

function validateName(subject: string, value: string): void {
  if (!isTypertRemoteSegment(value)) {
    throw new TypeError(`typert-protocol: ${subject} must contain only RPC endpoint segment characters`)
  }
}

View on GitHub (pinned to b150a551b8)

Solutions

1. Use only allowed RPC endpoint segment characters in the named subject.

When it happens

Trigger: Thrown at packages/typert/protocol/src/index.ts:278 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/eda1204a24ccf614. Report an issue: GitHub.