The version of GE is most probably a mistake, although, just like in the case of the majority of Terzverschreibung errors, it is possible to accept the sound result. Admittedly, the bar does not repeat the previous harmonic scheme, yet the melodic analogy remains clear, and changing the final interval would distort, for no apparent reason, the octave line implemented from bar 315: .
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in GE, Terzverschreibung error
notation: Pitch