deepseek-ai/deepseek-harness · error · Error

maxParallelSubCalls must be a positive integer

Error message

maxParallelSubCalls must be a positive integer

What it means

Error "maxParallelSubCalls must be a positive integer" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/core/tools/src/index.ts:778

}

/** Caller cancellation and dispatch state kept outside the around-wrapper view. */
interface ToolCancellationState {
  readonly callerSignal: AbortSignal
  bodyInvoked: boolean
}

/** One dispatch-scoped fused signal plus listener cleanup after the body settles. */
interface FusedToolSignal {
  readonly signal: AbortSignal
  dispose(): void
}

/** Resolve the run_code overlap cap at the owning config boundary (direct construction bypasses the Loader schema). */
function resolveMaxParallelSubCalls(value: number | undefined): number {
  const maxParallelSubCalls = value ?? 10
  if (!Number.isInteger(maxParallelSubCalls) || maxParallelSubCalls < 1) {
    throw new Error('maxParallelSubCalls must be a positive integer')
  }
  return maxParallelSubCalls
}

/**
 * Tool registry and execution pipeline. Scoped registrations shadow globals;
 * one visibility resolver feeds presentation, lookup, and dispatch.
 */
export class ToolRuntime extends Service {
  static inject = ['systemPrompt']

  static Config: z<Config> = z.object({
    mode: z.union(['native', 'code', 'both'] as const).default('native'),
    maxParallelSubCalls: z.natural().min(1).default(10),
  })

  /** Internal staged view consumed by `dsh-agent-loop`'s parallel scheduler. */
  readonly [TOOL_RUNTIME_SCHEDULER]: ToolRuntimeScheduler = {

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/core/tools/src/index.ts:778 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/6ad658680f630ba1. Report an issue: GitHub.