submit a proposal error

[#1]

i cannot submit a proposal for any kind of jobs: it always pop up a error message saying to update my addres. I checked in setting and the address is fine with my real address. 

How can i fix it?

[#2]

Hi Flavia,

I'm sorry about the error you're receiving. Please make sure to complete the W8 tax form on this page and you should be able to start submitting proposals. Let us know if you need further assistance.