problem with MCDU A320NX 5.1

[PilotAllaham]

I updated the a320 to the last virsion 5.1 development virsion and I cant add the flight plan in INIT page and I just recive this message and nothing change .
UPLINK INSERT IN PROG

Any idea how i can fix it

[ImenesFBW]

Did you add your SimBrief username before requesting INIT REQUEST?

[PilotAllaham]

Yes , I’ve added the simBrief username

[Rsevenflyer]

Clear the scratch pad and type the route in as you made it in SimBreif (ex: KJFKKMIA), no separation between names.
Click the LSK1L beside CO RTE.
Click LSK2R beside INIT REQUEST.
You should be good to go.