Clients who accepts your offer are automatically prompted to enter their payment details before the collaboration can start. In most cases, they will do so, and you’ll get access to the usual collaboration interface. However, if a client hasn’t added payment details yet, you will see the following screen:

In these rare situations, notify our Support team and ask them to get in touch with the client. We will help them complete the collaboration setup. You should also pause any work on the collaboration until you hear back from them.