In the entire bar FE0 (→FE,FEG) has only two cautionary accidentals: a 
lowering g2 to g
2 on the 3rd quaver and a 
raising a1 to a1 in the L.H. Out of three undoubtedly overlooked signs in the R.H., it is the lack of the raising a1 to a1 at the beginning of the bar that is most striking; the accidental was added in pencil in FED, it was also added in GE and EE. In both editions a was added also before the last quaver, yet the fully correct notation is only in GE.
Compare the passage in the sources»
category imprint: Interpretations within context; Differences between sources
issues: Annotations in teaching copies, EE revisions, Errors in FE, Annotations in FED, Accidentals in different octaves, GE revisions, Omission of current key accidentals
notation: Pitch