deepseek-ai/deepseek-harness · error

schedule: framing or followup failed for agent "${this.agent

Error message

schedule: framing or followup failed for agent "${this.agent.id}": ${renderThrown(error)}

What it means

Error "schedule: framing or followup failed for agent "${this.agent.id}": ${renderThrown(error)}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/schedule/schedule/src/runtime.ts:278

        const decisionNow = Date.now()
        const decision = this.decide(claimed, decisionNow)
        if (decision === undefined) return Promise.resolve(false)
        if (decision.kind === 'wait') {
          if (decision.target !== undefined) this.arm(decision.target, decisionNow)
          return Promise.resolve(false)
        }
        try {
          const text = decision.kind === 'one-shot'
            ? renderReminderFraming(decision.record)
            : renderEveryReminderBatchFraming(decision.reminders)
          const message = createUserMessage({
            content: [{ type: 'text', text }],
            source: { kind: 'plugin', plugin: 'schedule' },
          })
          this.agent.followup(message)
        } catch (error: unknown) {
          if (this.isLive()) {
            this.ctx.logger.warn(`schedule: framing or followup failed for agent "${this.agent.id}": ${renderThrown(error)}`)
          }
          return Promise.resolve(false)
        }
        try {
          if (decision.kind === 'one-shot') {
            this.agent.session.append('schedule/change', {
              version: 1,
              operation: 'dispatch',
              id: decision.record.id,
            })
          } else {
            for (const reminder of decision.reminders) {
              this.agent.session.append('schedule/change', {
                version: 1,
                operation: 'dispatch',
                id: reminder.record.id,
                acceptedAt: decision.acceptedAt,
              })

View on GitHub (pinned to b150a551b8)

Solutions

1. Inspect the embedded error from framing/followup and fix the prompt assembly or session write it names.

When it happens

Trigger: Thrown at packages/schedule/schedule/src/runtime.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/8bc512d85a67e052. Report an issue: GitHub.