router-for-me/CLIProxyAPI · error

select Claude device ID: device pool has %d entries, want %d

Error message

select Claude device ID: device pool has %d entries, want %d

What it means

Error "select Claude device ID: device pool has %d entries, want %d" thrown in router-for-me/CLIProxyAPI.

Source

Thrown at internal/auth/claude/identity.go:270

		}
		if _, exists := seen[deviceID]; exists {
			continue
		}
		seen[deviceID] = struct{}{}
		deviceIDs = append(deviceIDs, deviceID)
	}

	if changed {
		metadata[ClaudeDeviceIDsMetadataKey] = append([]string(nil), deviceIDs...)
	}
	return append([]string(nil), deviceIDs...), changed, nil
}

// SelectDeviceID returns the credential's sole device ID after validating the conversation session.
func SelectDeviceID(deviceIDs []string, sessionID string) (string, error) {
	deviceIDs = NormalizeDeviceIDPool(deviceIDs)
	if len(deviceIDs) != ClaudeDevicePoolSize {
		return "", fmt.Errorf("select Claude device ID: device pool has %d entries, want %d", len(deviceIDs), ClaudeDevicePoolSize)
	}
	sessionID = strings.TrimSpace(sessionID)
	if sessionID == "" {
		return "", fmt.Errorf("select Claude device ID: session ID is empty")
	}
	return deviceIDs[0], nil
}

// ValidDeviceID reports whether a value matches Claude Code's lowercase 64-hex device format.
func ValidDeviceID(value string) bool {
	if len(value) != claudeDeviceIDByteSize*2 || value != strings.ToLower(value) {
		return false
	}
	decoded, errDecode := hex.DecodeString(value)
	return errDecode == nil && len(decoded) == claudeDeviceIDByteSize
}

View on GitHub (pinned to 78f0c4079e)

Solutions

1. Verify the device pool configuration contains the expected number of entries.
2. Adjust the requested pool size or repopulate the Claude device ID pool.

When it happens

Trigger: Thrown at internal/auth/claude/identity.go:270 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of router-for-me/CLIProxyAPI@78f0c4079e (2026-08-15). Data as JSON: /api/errors/d29d135a8b5ba8ce. Report an issue: GitHub.