Complex sentence: The repayment structures of these loans were dependent on overly optimistic forecasts of future UEFA European Champions League qualification and corresponding profits to be taken in gate receipts and sponsorship which were never fulfilled on the pitch.
Split into simpler sentences: The repayment structures of these loans were dependent on overly optimistic forecasts of future UEFA European Champions League qualification. As well as corresponding profits expected to be taken in gate receipts and sponsorship which were never fulfilled on the pitch.