That Joe Gomez, who was sent off for the final minutes after picking up a second yellow card, will be suspended for the trip to Russian Federation will only compound those problems, but that's a worry for another time.
And there was an altercation after the final whistle when Sevilla's physiotherapist, Pablo Fernandez, approached Klopp and shouted abuse at him, seemingly blaming the Liverpool manager for helping to get Berizzo sent off.
In the end, it took a good shove from Sevilla midfielder Joaquin Correa before he headed down the tunnel.
Lovren's error was indefensible but there was no faulting the Liverpool response.
With Mane serving the first of a three-match ban in the English Premier League against Burnley, Salah will be aiming to build on his display against the Clarets on Saturday. Can nearly restored parity immediately with a shot that deflected off Simon Kjaer and rolled inches wide of a post.
The only person who didn't understand that was the referee unfortunately.
The home side suffered an early setback when Sergio Escudero crossed for Wissam Ben Yedder to convert but levelled in the 21st minute when the outstanding Alberto Moreno exchanged passes before cutting the ball back for Firmino to tap in.
A 2-2 draw with Sevilla, on their return to the Champions League, doesn't look like a disgraceful result on paper, and in time the point could prove valuable, but Liverpool blew it. Salah wins possession back off N'Zonzi and fires in a speculative 30-yard strike that takes a big deflection off Simon Kjaer and flies into the net.
The host were then awarded a penalty just before the break when Pareja was adjudged to have handled in the box.
The reds dominated the majority of the rest of the half and a wonderful move saw the reds equalise.