Despite pundits predicting Schalke to be among the relegation candidates, Raman is convinced, "we won't get into trouble this time. The squad has learned its lesson," he said.
Bayern said they want to avoid the 28-year-old to leave after his current contract expires after the next season. The Austrian could go for free but still needs to find a club complying with his demands.
The region's qualifiers are scheduled to begin in October, more than six months later than originally planned because of the global health crisis.
Events in indoor and outdoor arena will be separate.
Despite their dominance, Hertha needed 19 minutes to create the first clear-cut opportunity as Krzysztof Piatek's header rattled the crossbar.
The Celta captain opened the scoring from Nolito's pass after 15 minutes in an entertaining match which saw Celta play some impressive football.
Any deal would almost certainly see Real Madrid continue to pay part of the wages of a player whose relationship with coach Zinedine Zidane has broken down completely in recent months. Enditem
Maccabi possessed the ball for most of the early period, but hardly threatened the Belarusians' goal.
Aubameyang scored in Arsenal's opening game of the season as they won 3-0 away last Saturday and netted 22 league goals last season (to add to the 22 he scored the previous year), as well as scoring both goals in his side's FA Cup final win over Chelsea.
"Since I have left the club has been building, the stadium is incredible, the training ground is better than before. It's an exciting time," he added. Enditem
Stage One will be played across two blocks of eight days: September 13-20 and September 28-October 5. Enditem