Arsenal, Brighton and Chelsea were the sides notably affected by the mistakes, with blundering duo Lee Mason and John Brooks taken off duty by PGMOL chief Howard Webb.
The pair sat through a video workshop led by Webb on Tuesday to ensure there is no repeat of the howlers which affected Arsenal and Brighton.
In the title-chasing Gunners' 1-1 draw against Brentford, Ivan Toney's equaliser was incorrectly allowed to stand despite two offsides in the build-up to the goal.
VAR official Mason failed to draw the correct lines to rule out Bees striker Toney's late leveller, with Arsenal boss Mikel Arteta furious in the aftermath.
PGMOL, the elite referees' group, has apologised, telling Sportsmail on Tuesday night: 'We accept mistakes were made... however, we are encouraged by the way our officials have responded and are confident they will take the learnings forward.'
Arteta responded: 'I will only be satisfied if they give the two points back. I appreciate the sincere, genuine apologies, but it doesn't take away the fact we have two points fewer. Everyone makes mistakes but that was something else.
'There was huge anger and disappointment because that wasn't human error, that was a big misunderstanding of your job. That is not acceptable, I'm sorry. It cost Arsenal two points, we have to find those two points somewhere else in the league.'
At Selhurst Park, Brighton were denied a goal against fierce rivals Crystal Palace when Pervis Estupinan's strike was incorrectly ruled as offside.
Meanwhile, at Chelsea - who drew 1-1 against London rivals West Ham - referee Craig Pawson was not informed by VAR Neil Swarbrick that he had missed a possible penalty for Tomas Soucek's handball inside the penalty area.
In the wake of the mistakes, Webb called all officials to an emergency meeting to prevent those kind of errors occuring again.
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