Without a GApps package flashed immediately after your ROM, you cannot sign into your Google account, restore backups, or use apps that rely on Play Services (e.g., Uber, Pokemon GO, banking apps).
Boot back into TWRP, factory reset/wipe your data, and flash both the ROM and GApps together in one go before booting. TWRP Error 70 (Insufficient Storage Space) gapps android 6.0.1
You must select a package built specifically for . Attempting to flash a GApps package meant for Android 7.0 or 5.1 will cause severe system crashes. 2. Processor Architecture (CPU) Without a GApps package flashed immediately after your