After you launch a Creative Cloud trial product and sign in with your Adobe ID, you are prompted to enter a serial number. The trail isn't licensed with your Creative Cloud for teams membership as expected.
If the first solution does not work, try the next one. Stop once the issue is resolved.
Important: You must have an active Creative Cloud for teams membership associated with your account in order to resolve this issue. Please contact your Creative Cloud for teams administrator to verify that you have been assigned a membership.