Address change

[fargodome]

I am moving with my family for a job. I petioned for wife and kid. I am trying to change my address online but i keep getting this message

• You must select the Form Number associated to your Receipt Number. The Form Number you selected does not match our records for that Receipt Number.

I got the i 485 notice form with recept number starting with MSC. We also did the biometric. Biometic notice has the same Msc number. Anybody the same issues?