Boot back into TWRP, run a full , and re-flash your firmware. Error 7 in TWRP
: You need Team Win Recovery Project (TWRP) to "wipe" the old system and "flash" the new ROM file. vivo 1801 custom rom full
Vivo 1801 Custom ROM Full Guide: Unleashing Your Device's Potential Boot back into TWRP, run a full , and re-flash your firmware