Detailed description:
The "USER_BLOCKED" error in Telegram occurs when you attempt to send a message, invite a user to a group, or perform another action, but the Telegram API rejects the request due to the recipient being blocked. This can happen if the user was blocked either by Telegram's administration or by the user you are trying to interact with.
This error is especially common when using automation programs for bulk messaging or mass invitations in Telegram. If a blocked user is in the recipient list, the Telegram API prevents the action from being completed, triggering the "USER_BLOCKED" error.
Causes of the "USER_BLOCKED" error:
1. The recipient has personally blocked you on Telegram.
2. Telegram has blocked the user for violating platform rules.
3. You are trying to add a user to a group or channel, but they have been restricted by Telegram's administration.
Solution for the "USER_BLOCKED" error:
1. Remove the blocked user from your recipient list. Check who is receiving your messages and exclude blocked accounts.
2. If you are inviting users to a group or channel, make sure that no blocked accounts are among them.
3. If Telegram has restricted the user, try using a different account or contact Telegram support for further clarification.
The "USER_BLOCKED" error is a security measure implemented by Telegram to protect users from unwanted messages and spam. To prevent such issues, it is recommended to regularly update your contact list and monitor recipient activity in automated messages.