Creators often change their Telegram invite links to prevent spam bots from flooding the chat.
Which (Android or iOS) are you currently using? Share public link
If you’re a content creator or group admin, you can prevent these issues entirely. Here’s how to design a from the admin side:
Within the Telegram app, go to Settings > Chat Settings and ensure "In-App Browser" is enabled. This ensures external links open correctly within the app's environment.