How to enable a disabled app in Samsung?

Phone: Samsung Galaxy S9, Android 10, OneUI 2.0. After updating my OS last month, the "Enable" button disappeared from the App info panel (Settings | Apps | (app) | Enable, said https://android.stackexchange.com/questions/18382/how-to-enable-a-disabled-app) . And "auto-disable unused app" setting is not available either. I tried pm enable ... cmd in adb, but got Security exception: Shell cannot change component state for .../null to 1 If the app is installed by the Play Store, I can re-enable it in the Play Store app. If not, how to enable it?