Restrictions when amending tax returns

I am amending my 2020 tax return to change filing status from MFJ to MFS, and have the following issues:
1. I specified the bank account number to get direct deposit of the refund, but the account is blocked in the  amended return, and TT shows that the refund check  of the amended return will be sent to my home address. Is there  a way to request direct deposit when amending returns?
2. TT does not allow me to efile the amended return. It keeps showing that my Form 1040-X form is not done, and the check mark next to the MFS box is in RED. What can I do to remove this red mark and efile the amended return?