THEME_FORMAT_INVALID - Gogram TL Reference

HTTP 400 · Bad Request

HTTP 400 Themes & Wallpapers

When & why it happens

The supplied theme format is malformed, points to nothing the server recognises, or fails a server-side validity check.

Surfaced as *gogram.ErrResponseCode. Match on the message:

if err, ok := err.(*gogram.ErrResponseCode); ok {
    if err.Message == "THEME_FORMAT_INVALID" {
        // handle this error
    }
}