Simplifii support. Care Code: QCS-0429-2
@jackie21, thanks for reaching out to the Community with this issue!
When viewing your connection attempts from our end, I see an FDP-103 error, which indicates that invalid credentials are being used. However, if you're seeing a QCS-0429-2 error on your end, you will want to do the following:
Please let us know how it goes!