grafana/k6 · error

options[%v]: expected int, got %T

Error message

options[%v]: expected int, got %T

What it means

Error "options[%v]: expected int, got %T" thrown in grafana/k6.

Source

Thrown at internal/js/modules/k6/browser/browser/mapping.go:161

			*opt.Value = v
		case "label":
			opt.Label = new(string)

			v, ok := raw.(string)
			if !ok {
				return nil, fmt.Errorf("options[%v]: expected string, got %T", k, raw)
			}
			*opt.Label = v
		case "index":
			opt.Index = new(int64)

			switch raw := raw.(type) {
			case int:
				*opt.Index = int64(raw)
			case int64:
				*opt.Index = raw
			default:
				return nil, fmt.Errorf("options[%v]: expected int, got %T", k, raw)
			}
		}
	}

	return opt, nil
}

View on GitHub (pinned to 93accf6570)

When it happens

Trigger: Thrown at internal/js/modules/k6/browser/browser/mapping.go:161 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of grafana/k6@93accf6570 (2026-08-15). Data as JSON: /api/errors/1d05b7e8a804da27. Report an issue: GitHub.