Lack of the middle note on the 3rd beat of the bar is almost certainly a mistake of GC (→GE1).
In FE the note is present, yet there is no 
returning F
. EE and GE2 (→GE3) have the correct text.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: Errors in FE, Omissions to cancel alteration, GE revisions, Errors of GC
notation: Pitch