deepseek-ai/deepseek-harness · error · AgentPresetConflict

agent-preset-conflict

agent-preset-conflict

Error message

error.message

What it means

Error "error.message" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/host/apiproxy/src/api-proxy.ts:2098

        const sessionId = request.payload.sessionId ?? `session-${randomUUID()}` as SessionId
        let workspace: Workspace | undefined
        if (request.payload.workspaceId !== undefined) {
          workspace = ctx.workspaceRegistry.get(brandWorkspaceId(request.payload.workspaceId))
          if (workspace === undefined) {
            return err(request, {
              code: 'workspace-not-found',
              message: `workspace "${request.payload.workspaceId}" not found`,
              details: { workspaceId: request.payload.workspaceId },
            })
          }
        }
        const cwd = workspace?.path ?? request.payload.cwd ?? defaults.cwd
        const requestedPreset = request.payload.agentPreset
        try {
          await ensureSession(sessionId, cwd, request.payload.sessionId !== undefined, requestedPreset)
        } catch (error: unknown) {
          if (error instanceof AgentPresetConflict) {
            return err(request, {
              code: 'agent-preset-conflict',
              message: error.message,
              details: {
                sessionId: error.sessionId,
                requestedPreset: error.requestedPreset,
                ...error.existingPreset === undefined ? {} : { existingPreset: error.existingPreset },
              },
            })
          }
          const refused = presetFailure(request, error)
          if (refused !== undefined) return refused
          if (error instanceof SessionCwdConflict) {
            return err(request, {
              code: 'session-conflict',
              message: error.message,
              details: {
                sessionId: error.sessionId,
                requestedCwd: error.requestedCwd,

View on GitHub (pinned to b150a551b8)

Solutions

1. Read the forwarded error message in the response or logs and fix the underlying failure it names.

When it happens

Trigger: Thrown at packages/host/apiproxy/src/api-proxy.ts:2098 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/0ac13a0dc474119d. Report an issue: GitHub.