When I import a flightplan from Simbrief, with the "Load PERF DATA with Flightplan" option in the EFB enabled, the correct ZFW is displayed in the FMS..  

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  After that i go to the EFB and insert the same Data from my Flightplan to get my Vspeeds and "load" the Plane with the correct weight. But there´s the Problem. When I enter the ZFW and the Fuel into the EFB and press "SET PAYLOAD IN SIMULATOR" and "COPY PE