Liverpool boss Jurgen Klopp has taken full blame for Rhian Brewster's penalty miss in the Community Shield on Saturday.
In the Premier League's traditional curtain-raiser, the Reds faced Arsenal - who were awarded a position in the match after winning the FA Cup.
The match went to penalties after Aubameyang's opener was cancelled out by Takumi Minamino in the second half.
But Brewster was the only one to miss his spot-kick, hitting the crossbar and allowing Aubemayang to score the winning penalty.
"This will not harm Rhian," he said. "If anyone is to blame, it is me.
"But I wanted him in the position because he is a real finisher and confident. Today, not. That happens in football and life.
"We all have to learn and prove we can deal with defeats.
"If he would have scored and someone else missed, it's the same theme. There are bigger reasons than that.
"Missing it like this is possible. I have never seen him miss one but today it happens, it can.
"I rarely share my football experiences with the boys because it was so long ago.
"He missed a penalty, we had a few words, it is all fine. No need to apologise, that is football. No problem."
Both sides were bereft of a number of key players due to injury and self-isolation.
Liverpool were missing the likes of Jordan Henderson and Trent Alexander-Arnold while Arsenal had stars such as Alexandre Lacazette and Nicolas Pepe out.
But Gunners key man Aubameyang opened the scoring after a brilliant move.
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And Arsenal were largely in control until towards the end of the second half where their lack of time in training seemed to have an effect.
It saw Liverpool take a foothold back in the game and substitution Minamino was able to equalise with his first goal for his club in his 15th attempt.
But it was not enough as Arsenal landed their second trophy under Mikel Arteta following Aubameyang's influential performance.