The young Reds had not tasted defeat in the U18 Premier League all season before the clash at the Academy, which they led at the interval through Glen McAuley.
But Jordan Greenidge levelled the score after the break and Krisztofer Szereto converted a contentious penalty in stoppage-time to snatch three points.
“It was a disappointing result and all the lads are disappointed in the dressing room. We have lost three games on the spin so I will take responsibility for that,” Gerrard told Liverpoolfc.com.
“As far as the game went, I felt we were OK, good enough in terms of the first 45 minutes.