Trying to flash Skulls on this X230, but keep getting this error. What am I doing wrong? Please help. Can I turn of computer now? What else can I try?

sudo ./skulls.sh -b x230

1) ./x230_coreboot_seabios_74d2218cc7_top.rom    3) Quit
2) ./x230_coreboot_seabios_free_74d2218cc7_top.rom
file not specified. Please select a file to flash. Please read the README for details about the differences: 1

x230_coreboot_seabios_74d2218cc7_top.rom: OK
input: x230_coreboot_seabios_74d2218cc7_top.rom
output: output/x230_coreboot_seabios_74d2218cc7_top_prepared_12mb.rom
Warning: Make sure not to power off your computer or interrupt this process in any way!
         Interrupting this process may result in irreparable damage to your computer!

Flash the BIOS now? y/N: y

flashrom v1.2 on Linux 5.13.0-30-generic (x86_64)
flashrom is free software, get the source code at https://flashrom.org

Using region: "bios".
Using clock_gettime for delay loops (clk_id: 1, resolution: 1ns).
Found chipset "Intel QM77".
Enabling flash write... Warning: BIOS region SMM protection is enabled!
Warning: Setting Bios Control at 0xdc from 0x2a to 0x09 failed.
New value is 0x2a.
SPI Configuration is locked down.
FREG0: Flash Descriptor region (0x00000000-0x00000fff) is read-only.
FREG2: Management Engine region (0x00003000-0x004fffff) is locked.
Not all flash regions are freely accessible by flashrom. This is most likely
due to an active ME. Please see https://flashrom.org/ME for details.
PR1: Warning: 0x00b40000-0x00bfffff is read-only.
PR2: Warning: 0x00b10000-0x00b10fff is read-only.
PR3: Warning: 0x00ad0000-0x00adefff is read-only.
PR4: Warning: 0x00800000-0x00aaffff is read-only.
At least some flash regions are read protected. You have to use a flash
layout and include only accessible regions. For write operations, you'll
additionally need the --noverify-all switch. See manpage for more details.
Enabling hardware sequencing due to multiple flash chips detected.
OK.
Found Programmer flash chip "Opaque flash chip" (12288 kB, Programmer-specific) mapped at physical address 0x0000000000000000.
Reading old flash chip contents... done.
Erasing and writing flash chip... Transaction error between offset 0x00800000 and 0x00800fff (= 0x00800000 + 4095)!
Reading current flash chip contents... done. Looking for another erase function.
Looking for another erase function.
Looking for another erase function.
Looking for another erase function.
Looking for another erase function.
Looking for another erase function.
Looking for another erase function.
No usable erase functions left.
FAILED!
Uh oh. Erase/write failed.
Your flash chip is in an unknown state.
Get help on IRC at chat.freenode.net (channel #flashrom) or
mail flashrom@flashrom.org with the subject "FAILED: <your board name>"!
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DO NOT REBOOT OR POWEROFF!