In GC the bar is written in an abbreviated manner as repetition of the previous one. At the same time, one can see that initially the bar was completely overlooked, whereas a relevant abbreviation was written as an addition. It cannot be excluded that the mistake (or unclear notation) was also in [A]. If so, Chopin had to write a respective addition also there, as FE contains the correct number of bars.
See b. 168
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category imprint: Corrections & alterations; Source & stylistic information
issues: Errors of A, Abbreviated notation of A, Authentic corrections in GC
notation: Shorthand & other