Can't update with OTA zip.

I'm on the XT1540 and I got my OTA notification and went back to stock recovery (still rooted and unlocked bootloader) but it fails halfway through flashing everytime. I reflashed TWRP and captured the OTA into a zip but get an error about updating binary or something when flashing it. Is there something I need to delete from the OTA zip to allow it to flash in twrp?

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