Using TWRP, you need to format /data, reboot to recovery again to wipe the other needed partitions, before installing /e/OS
[HOWTO] an Unified Install Guide Project for /e/
Have you tried using the recovery-e instead of TWRP ?
Using TWRP, you need to format /data, reboot to recovery again to wipe the other needed partitions, before installing /e/OS
[HOWTO] an Unified Install Guide Project for /e/
Have you tried using the recovery-e instead of TWRP ?