In A (→GE) a 
is missing before the 8th semiquaver in the L.H. (d1). In turn, Chopin repeated a before b1 in the L.H. at the end of the bar. FE removed the second sign, yet did not add the first one. EE includes the fully correct notation.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, Accidentals in different octaves, Cautionary accidentals, FE revisions
notation: Pitch