We wanted everything and got nothing, or minus something with the injury of Mo.
The defender was accused by many Egyptian fans in the soccer-crazy nation of deliberately injuring Salah in the Champions League final.
The Liverpool star was reduced to tears as he left the field during the first-half of the showpiece clash in Kiev.
Klopp acknowledged the Egypt international's injury had allowed Madrid to take control, while he lamented the way his team conceded as goalkeeper Loris Karius endured a nightmare outing.
Real Madrid's Sergio Ramos, right, walks away after a collision with Liverpool's Mohamed Salah, left, during the Champions League Final soccer match between Real Madrid and Liverpool at the Olimpiyskiy Stadium in Kiev, Ukraine, Saturday, May 26, 2018.
"It's a serious injury, a really serious injury", Klopp told a post-match news conference.
Salah is now a doubt for the World Cup, but the Egyptian FA are hopeful their talisman will lead them in Russian Federation.
The Egyptian national football team have since tweeted that Salah will undergo a scan on his shoulder.
Carvajal had to miss Euro 2016 after suffering an injury during Real Madrid's 4-1 victory against Juventus in the Champions League final.
Following the tumble, Salah is now reported to have dislocated his shoulder, and could even miss the 2018 World Cup tournament in Russian Federation.
Of Saturday night result, Klopp said: "The boys tried everything and it wasn't the best script for us tonight".
Salah didn't join his Liverpool teammates collecting their runners-up medals.
"[He makes it] easier for the other players in midfield and up-front and also the defence, because defensively they have to think of him because he's a really unsafe player".