To be able to communicate with tip.cc you have to allow direct messages (DMs) on at least one server that you share with the bot.
How do I enable DMs on a Discord server on PC/Mac/website?
- Go to a server shared with tip.cc (probably the tip.cc server)
- Click the name of the server at the top (next to the ⌄)
- Click “Privacy Settings” in the drop-down list
- Make sure that “Allow direct messages from server members.” is toggled on
How do I enable DMs on a Discord server on mobile?
- Go to a server shared with tip.cc (probably the tip.cc server)
- Tap the server name next to the three dots ⋯
- Scroll down to “Allow Direct Messages”
- Make sure that it is toggled on