Question – Deleted the internal storage in TWRP , Now no OS. Tried ADB sideload but at the top of it , says unable to Decrypt FBE device something like that

was bout to flash pixel experience plus android 12. But i accidentally deleted the internal storage . Now i don’t have a OS. I don’t have a SD card as well. I tried ADB sideload from TWRP. I still have the TWRP but only TWRP. I installed all the drivers for ADB, Also the qualcomm driver as well. But when i use the adb devices command in cmd without running adb from mobile it shows the device is there but when i start ADB from TWRP it doesn’t detect the device in PC> PLEASE HELP