NousResearch/hermes-agent · error · Error

profile "${profile}" not found in the rail

Error message

profile "${profile}" not found in the rail

What it means

Error "profile "${profile}" not found in the rail" thrown in NousResearch/hermes-agent.

Source

Thrown at apps/desktop/scripts/perf/scenarios/profile-switch.mjs:35

    if (!profile) {
      throw new Error('profile-switch needs --profile <name>')
    }

    await cdp.send('Runtime.enable')

    const t0 = await cdp.eval(`(() => {
      const rail = document.querySelector(${JSON.stringify(SELECTORS.profileRail)})
      if (!rail) return null
      const target = [...rail.querySelectorAll('button, [role="tab"]')].find(b =>
        ((b.getAttribute('aria-label') || '') + ' ' + (b.title || '') + ' ' + (b.textContent || ''))
          .toLowerCase().includes(${JSON.stringify(String(profile).toLowerCase())}))
      if (!target) return null
      target.click()
      return performance.now()
    })()`)

    if (t0 === null) {
      throw new Error(`profile "${profile}" not found in the rail`)
    }

    const deadline = Date.now() + settleTimeoutMs
    let settledMs = null

    while (Date.now() < deadline) {
      await sleep(100)
      const s = await cdp.eval(`(() => {
        const label = [...document.querySelectorAll('div[aria-hidden]')].find(el => /waking up/i.test(el.textContent || ''))
        const overlayVisible = label ? Number(getComputedStyle(label).opacity) > 0.05 : false
        return { t: performance.now(), overlayVisible, rows: document.querySelectorAll(${JSON.stringify(SELECTORS.rowButton)}).length }
      })()`)

      if (!s.overlayVisible && s.rows > 0) {
        settledMs = s.t - t0
        break
      }
    }

View on GitHub (pinned to c896c09c42)

Solutions

1. Use the exact profile name as shown in the profile rail.
2. Create the profile first, or pick one that exists in the app.

When it happens

Trigger: Thrown at apps/desktop/scripts/perf/scenarios/profile-switch.mjs:35 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of NousResearch/hermes-agent@c896c09c42 (2026-08-14). Data as JSON: /api/errors/7807972e0df1c5fe. Report an issue: GitHub.