Sorry for the delay, but after all, well over 1,000 comments (1,332 to be exact) took some time ...
Most of the copyists did a wonderful job most of the time - errors in terms of wrong notes or wrong accidentals are rarely to be found. Barré indications (confusing half and full barrés, misplaced dotted lines) and generally the alignment of elements (no overlapping etc.) make up the vast majority of the comments.
All the best,