Boot loop after attempting to 'flash a factory image | Return to Stock'

Firstly I hope that this is an OK place to post this if not could you please guide me to the correct location, also I pretty nooby at this.

My phone before hand;

XT1562
I had successfully managed to install cyanogenmod from this forum thread using TWRP.
The Bootloader is unlocked.

What Have I done;

I wanted to return to stock and so I followed this guide.

I am now stuck in a boot loop at the after the bootloader, in my inexperience I feel it might be that there isn't actually a ROM installed due to this message appearing often "(bootloader) has-slot:partition: not found" or "(bootloader) has-slot:system: not found" as visible in the CMD log below.

This is the CMD LOG from my attempt, feel free to ask for info and I am very greatful for any and all help.

Quote:

C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash partition gpt.bin (bootloader) has-slot:partition: not found target reported max download size of 268435456 bytes sending 'partition' (32 KB)... OKAY [ 0.186s] writing 'partition'... (bootloader) Preflash validation failed FAILED (remote failure) finished. total time: 0.848s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash bootloader bootloader.img (bootloader) has-slot:bootloader: not found target reported max download size of 268435456 bytes sending 'bootloader' (2546 KB)... OKAY [ 0.508s] writing 'bootloader'... (bootloader) flashing sbl1 ... (bootloader) flashing aboot ... (bootloader) flashing tz ... (bootloader) flashing hyp ... (bootloader) flashing rpm ... OKAY [ 2.377s] finished. total time: 2.888s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash logo logo.bin (bootloader) has-slot:logo: not found target reported max download size of 268435456 bytes sending 'logo' (2833 KB)... OKAY [ 0.511s] writing 'logo'... OKAY [ 0.128s] finished. total time: 0.643s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash boot boot.img (bootloader) has-slot:boot: not found target reported max download size of 268435456 bytes sending 'boot' (32768 KB)... OKAY [ 1.547s] writing 'boot'... OKAY [ 0.429s] finished. total time: 1.979s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash recovery recovery.img (bootloader) has-slot:recovery: not found target reported max download size of 268435456 bytes sending 'recovery' (32752 KB)... OKAY [ 1.567s] writing 'recovery'... OKAY [ 0.473s] finished. total time: 2.044s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash system system.img_sparsechunk.0 (bootloader) has-slot:system: not found target reported max download size of 268435456 bytes sending 'system' (262140 KB)... OKAY [ 10.558s] writing 'system'... OKAY [ 3.985s] finished. total time: 14.546s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash partition gpt.bin (bootloader) has-slot:partition: not found target reported max download size of 268435456 bytes sending 'partition' (32 KB)... OKAY [ 0.187s] writing 'partition'... (bootloader) Preflash validation failed FAILED (remote failure) finished. total time: 0.800s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash bootloader bootloader.img (bootloader) has-slot:bootloader: not found target reported max download size of 268435456 bytes sending 'bootloader' (2546 KB)... OKAY [ 0.531s] writing 'bootloader'... (bootloader) flashing sbl1 ... (bootloader) flashing aboot ... (bootloader) flashing tz ... (bootloader) flashing hyp ... (bootloader) flashing rpm ... OKAY [ 2.379s] finished. total time: 2.914s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash logo logo.bin (bootloader) has-slot:logo: not found target reported max download size of 268435456 bytes sending 'logo' (2833 KB)... OKAY [ 0.510s] writing 'logo'... OKAY [ 0.164s] finished. total time: 0.676s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash boot boot.img (bootloader) has-slot:boot: not found target reported max download size of 268435456 bytes sending 'boot' (32768 KB)... OKAY [ 1.662s] writing 'boot'... OKAY [ 0.481s] finished. total time: 2.148s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash recovery recovery.img (bootloader) has-slot:recovery: not found target reported max download size of 268435456 bytes sending 'recovery' (32752 KB)... OKAY [ 1.670s] writing 'recovery'... OKAY [ 0.433s] finished. total time: 2.105s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash system system.img_sparsechunk.0 (bootloader) has-slot:system: not found target reported max download size of 268435456 bytes sending 'system' (262140 KB)... OKAY [ 10.687s] writing 'system'... OKAY [ 3.774s] finished. total time: 14.463s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash system system.img_sparsechunk.1 (bootloader) has-slot:system: not found target reported max download size of 268435456 bytes sending 'system' (240784 KB)... OKAY [ 9.744s] writing 'system'... OKAY [ 3.268s] finished. total time: 13.017s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash system system.img_sparsechunk.2 (bootloader) has-slot:system: not found target reported max download size of 268435456 bytes sending 'system' (259766 KB)... OKAY [ 10.496s] writing 'system'... OKAY [ 3.484s] finished. total time: 13.984s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash system system.img_sparsechunk.3 (bootloader) has-slot:system: not found target reported max download size of 268435456 bytes sending 'system' (259602 KB)... OKAY [ 10.399s] writing 'system'... OKAY [ 3.393s] finished. total time: 13.796s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash system system.img_sparsechunk.4 (bootloader) has-slot:system: not found target reported max download size of 268435456 bytes sending 'system' (241316 KB)... OKAY [ 9.722s] writing 'system'... OKAY [ 3.637s] finished. total time: 13.361s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash system system.img_sparsechunk.5 (bootloader) has-slot:system: not found target reported max download size of 268435456 bytes sending 'system' (246121 KB)... OKAY [ 9.933s] writing 'system'... OKAY [ 3.173s] finished. total time: 13.109s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash system system.img_sparsechunk.6 (bootloader) has-slot:system: not found target reported max download size of 268435456 bytes sending 'system' (245397 KB)... OKAY [ 9.887s] writing 'system'... OKAY [ 3.106s] finished. total time: 12.996s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash modem NON-HLOS.bin (bootloader) has-slot:modem: not found target reported max download size of 268435456 bytes sending 'modem' (37100 KB)... OKAY [ 1.676s] writing 'modem'... OKAY [ 0.638s] finished. total time: 2.317s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot erase modemst1 (bootloader) has-slot:modemst1: not found erasing 'modemst1'... OKAY [ 0.113s] finished. total time: 0.114s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot erase modemst2 (bootloader) has-slot:modemst2: not found erasing 'modemst2'... OKAY [ 0.110s] finished. total time: 0.111s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot flash fsg fsg.mbn (bootloader) has-slot:fsg: not found target reported max download size of 268435456 bytes sending 'fsg' (1206 KB)... OKAY [ 0.348s] writing 'fsg'... OKAY [ 0.087s] finished. total time: 0.437s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot erase cache (bootloader) has-slot:cache: not found erasing 'cache'... OKAY [ 0.172s] finished. total time: 0.173s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot erase userdata (bootloader) has-slot:userdata: not found erasing 'userdata'... OKAY [ 0.191s] finished. total time: 0.194s C:\Users\John Doe\AppData\Local\Android\Sdk\platform-tools>fastboot reboot rebooting... finished. total time: 0.007s

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