I checked your address and I can see that you still haven't added your city. In order to be able to send proposals you will need to list your city as well, thank you.
You will need to add your full address including your City in order to be able to start bidding on jobs. To add your city go to Settings > Contact Info > Location. Thank you.
I checked this for you and I wasn't able to replicate the issue. Please clear your cache and cookies or try a different browser to try one more time. If the issue persist let me know and one of our agents will assist you directly.