A320
Flight Crew Last 90 Days 270; Flight Crew Total 11000; Flight Crew Type 5000
Communication Breakdown
Deviation / Discrepancy - Procedural Weight And Balance
Human Factors; Procedure
Received final weights then received message saying 'final weights not valid; new weights to follow.' We received updated weights and input the new numbers as per SOP. We were informed the next day that the [passenger] count may have been incorrect. [We] flew flight without incident.
Prior to takeoff an A320 flight crew received a second final weight check after a notification their first manifest was in error.