[Moto X4 Guides, News, & Discussion] johnjingle:
I read every page of the thread and I am using the fastboot linked in the OP and still getting this... please help:

Sending 'partition' (37 KB) OKAY [ 0.001s]

Writing 'partition' (bootloader) Validating 'gpt.default.xml'

(bootloader) Committing 'gpt.default.xml'

(bootloader) - flashing 'gpt_main0.bin' to 'partition:0'

OKAY [ 0.112s]

Finished. Total time: 0.114s

Sending 'bootloader' (9520 KB) OKAY [ 0.212s]

Writing 'bootloader' (bootloader) Validating 'bootloader.default.xml'

(bootloader) Committing 'bootloader.default.xml'

(bootloader) - flashing 'xbl.elf' to 'xbl'

(bootloader) - flashing 'prov64.mbn' to 'prov'

(bootloader) - flashing 'cmnlib.mbn' to 'cmnlib'

(bootloader) - flashing 'cmnlib64.mbn' to 'cmnlib64'

(bootloader) - flashing 'abl.elf' to 'abl'

(bootloader) - flashing 'keymaster.mbn' to 'keymaster'

(bootloader) - flashing 'storsec.mbn' to 'storsec'

(bootloader) - flashing 'rpm.mbn' to 'rpm'

(bootloader) - flashing 'pmic.elf' to 'pmic'

(bootloader) - flashing 'hyp.mbn' to 'hyp'

(bootloader) - flashing 'tz.mbn' to 'tz'

(bootloader) - flashing 'devcfg.mbn' to 'devcfg'

OKAY [ 0.215s]

Finished. Total time: 0.428s

rebooting into bootloader OKAY [ 0.000s]

Finished. Total time: 0.000s

Sending 'modem__a' (94843 KB) OKAY [ 2.011s]

Writing 'modem__a' (bootloader) Invalid partition name modem__a

FAILED (remote failure)

Finished. Total time: 2.013s

Sending 'fsg__a' (5680 KB) OKAY [ 0.121s]

Writing 'fsg__a' (bootloader) Invalid partition name fsg__a

FAILED (remote failure)

Finished. Total time: 0.122s

Erasing 'modemst1' OKAY [ 0.010s]

Finished. Total time: 0.011s

Erasing 'modemst2' OKAY [ 0.003s]

Finished. Total time: 0.004s

Sending 'bluetooth__a' (4564 KB) OKAY [ 0.097s]

Writing 'bluetooth__a' (bootloader) Invalid partition name bluetooth__a

FAILED (remote failure)

Finished. Total time: 0.098s

Sending 'dsp__a' (16384 KB) OKAY [ 0.346s]

Writing 'dsp__a' (bootloader) Invalid partition name dsp__a

FAILED (remote failure)

Finished. Total time: 0.347s

Sending 'logo__a' (2282 KB) OKAY [ 0.050s]

Writing 'logo__a' (bootloader) Invalid partition name logo__a

FAILED (remote failure)

Finished. Total time: 0.051s

Sending 'boot__a' (20625 KB) OKAY [ 0.436s]

Writing 'boot__a' (bootloader) Invalid partition name boot__a

FAILED (remote failure)

Finished. Total time: 0.438s

Sending 'system__a' (516147 KB) OKAY [ 10.909s]

Writing 'system__a' (bootloader) Invalid partition name system__a

FAILED (remote failure)

Finished. Total time: 10.910s

Sending 'system__a' (514106 KB) OKAY [ 10.896s]

Writing 'system__a' (bootloader) Invalid partition name system__a

FAILED (remote failure)

Finished. Total time: 10.898s

Sending 'system__a' (520166 KB) OKAY [ 11.025s]

Writing 'system__a' (bootloader) Invalid partition name system__a

FAILED (remote failure)

Finished. Total time: 11.026s

Sending 'system__a' (523445 KB) OKAY [ 11.146s]

Writing 'system__a' (bootloader) Invalid partition name system__a

FAILED (remote failure)

Finished. Total time: 11.147s

Sending 'system__a' (508789 KB) OKAY [ 10.756s]

Writing 'system__a' (bootloader) Invalid partition name system__a

FAILED (remote failure)

Finished. Total time: 10.757s

Sending 'system__a' (524286 KB) OKAY [ 11.128s]

Writing 'system__a' (bootloader) Invalid partition name system__a

FAILED (remote failure)

Finished. Total time: 11.130s

Sending 'system__a' (464724 KB) OKAY [ 9.851s]

Writing 'system__a' (bootloader) Invalid partition name system__a

FAILED (remote failure)

Finished. Total time: 9.853s

fastboot: error: cannot load 'system.img_sparsechunk.7': No such file or directory

Sending 'system_b' (134369 KB) OKAY [ 2.841s]

Writing 'system_b' OKAY [ 1.191s]

Finished. Total time: 4.032s

Sending 'oem__a' (41300 KB) OKAY [ 0.892s]

Writing 'oem__a' (bootloader) Invalid partition name oem__a

FAILED (remote failure)

Finished. Total time: 0.894s

Erasing 'carrier' OKAY [ 0.005s]

Finished. Total time: 0.006s

Erasing 'userdata' OKAY [ 0.216s]

Finished. Total time: 0.217s

Erasing 'ddr' OKAY [ 0.003s]

Finished. Total time: 0.004s