The version of FE, with an added 
heightening g
1 to g1, could be possible from the harmonic point of view. Still, the pianistic complication that finds no justification in sound terms plus the consistent version of all the remaining sources and the analogous bar 253 strongly indicate that we a re dealing here with the "Terzverschreibung" error.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Errors in FE, Terzverschreibung error
notation: Pitch