I a main project page which then directs users to bots connected to other pages depending on what they are looking for. On arriving at the second bot, the welcome message isn't displaying often, leaving users really confused!
The original bot (which directs to the others) is here: https://m.me/migrationtrail?ref=Welcome%20message
The bots that the first bot directs users to, and where the welcome message isn't always displaying are:
If you have any screenshots or other attachments which demonstrate the issue, please feel free to attach them to your post.