If you did not have any data plan active on your Ubigi account when you deleted your eSIM profile, just go to the following page to download a new eSIM and create a new personal account: https://cellulardata.ubigi.com/windows/install-esim/
If you do have an active and valid data plan on your Ubigi account at the moment you deleted your eSIM profile, please fill in the form here to get a QR code/eSIM profile code to re-install an eSIM on your device that will allow you to access your Ubigi account again.