multica-ai/multica · error

icon cannot contain tabs, newlines, or control characters

Error message

icon cannot contain tabs, newlines, or control characters

What it means

Error "icon cannot contain tabs, newlines, or control characters" thrown in multica-ai/multica.

Source

Thrown at server/internal/handler/property.go:205

		}
	}
	name := strings.TrimSpace(raw)
	if name == "" {
		return "", errors.New("name is required")
	}
	if utf8.RuneCountInString(name) > maxPropertyNameLen {
		return "", fmt.Errorf("name must be %d characters or fewer", maxPropertyNameLen)
	}
	if _, reserved := reservedPropertyNames[normalizePropertyName(name)]; reserved {
		return "", fmt.Errorf("%q is reserved for a built-in issue field", name)
	}
	return name, nil
}

func validatePropertyIcon(raw string) (string, error) {
	for _, r := range raw {
		if unicode.IsControl(r) {
			return "", errors.New("icon cannot contain tabs, newlines, or control characters")
		}
	}
	icon := strings.TrimSpace(raw)
	if utf8.RuneCountInString(icon) > maxPropertyIconLen {
		return "", fmt.Errorf("icon must be %d characters or fewer", maxPropertyIconLen)
	}
	if icon == "" {
		return "", nil
	}
	if _, ok := validPropertyIcons[icon]; !ok {
		return "", errors.New("icon must be a supported icon key")
	}
	return icon, nil
}

func validatePropertyType(t string) error {
	for _, v := range validPropertyTypes {
		if t == v {

View on GitHub (pinned to 2c0912b6ec)

Solutions

1. Remove tabs, newlines, and control characters from the icon value.

When it happens

Trigger: Thrown at server/internal/handler/property.go:205 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of multica-ai/multica@2c0912b6ec (2026-08-15). Data as JSON: /api/errors/24959f5b47c32ea5. Report an issue: GitHub.