Originally, the 2nd crotchet in the bar in A was a c2-f2-c3. Chopin changed the middle note from f2 to e2 in the last phase of reviewing A (→GE1→FE→EE). The version of GE2 is a result of an erroneous interpretation of this correction.
Compare the passage in the sources »
category imprint: Differences between sources; Corrections & alterations
issues: Corrections in A, Errors resulting from corrections, Errors in GE, GE revisions
notation: Pitch