If you have installed an eSIM on your device and your physical SIM card has stopped working there are a few things you can try to troubleshoot the issue.
Make sure your SIM card is inserted correctly - Check to ensure that your SIM card is properly inserted in your device's SIM card tray. Sometimes a loose or improperly inserted SIM card can cause connectivity issues.
Check your device settings - Make sure that your device is set to use the correct SIM card for calls, texts and data. Go into Settings and tap on Cellular / Mobile Data and check the settings for your SIM cards.
Restart your device - Sometimes a simple restart can fix issues with SIM cards. Turn your device off and wait a few seconds and then turn it back on again.
It is possible that there may be a conflict between your eSIM and physical SIM card. usually this is a configuration setting on the device.
It is best to ensure the device is setup as follows. Data roaming enabled on the eSIM and data roaming disabled on the primary SIM. Some devices will disable the primary SIM when enabling the eSIM, it is important to check over the settings for all SIMs in the device when having issues.