"Ten Forward" wasn't considered to be on the ship before the end of Season One and Andrew Probert's departure.
Here is a link
how he felt about the addition of "Ten Forward" on the ship that's essentially his design and creation (however, read the answer
to question # 23 at your own risk
! I wasn't aware of the "problem" before I read his interview, one of the rare cases where I'd agree that ignorance would have been bliss).