I have a checking account and savings account with Aspiration Bank (
https://www.aspiration.com
) which is a pretty big bank and over the past 8 years has been in the media due to it having the highest intrest rates for savings in the country but it is not set up in quicken supported financial institutions and think itd be a good idea to work with them for connection.
I also have a checking account with First Community Bank (
https://www.firstcommunitybank.com
) which is listed in the supported institutions, but when i enter my credentials (and yes it is the correct username and password) it comes up with the CC-503 error.