Numerous problems re-flashing stock firmware with Odin?

Hi, I have to re-flash stock firmware to fix my phone which has numerous errors (never rooted.)
The first problem I encountered was no PIT partition, and I promptly downloaded it online for the model, SM-N910A, and now recieve this when I try to flash it;
<ID:0/006> Added!!
<ID:0/006> Odin engine v(ID:3.1203)..
<ID:0/006> File analysis..
<ID:0/006> SetupConnection..
<ID:0/006> Initialzation..
<ID:0/006> Set PIT file..
<ID:0/006> DO NOT TURN OFF TARGET!!
<ID:0/006> Get PIT for mapping..
<ID:0/006> Firmware update start..
<ID:0/006> SingleDownload.
<ID:0/006> boot.img
<ID:0/006> recovery.img
<ID:0/006> system.img.ext4
<ID:0/006> FAIL! (Write)
<ID:0/006>
<ID:0/006> Complete(Write) operation failed.
<OSM> All threads completed. (succeed 0 / failed 1)

The phone also now says "Firmware upgrade encountered an issue. Please select recovery mode in Kies & try again."
Even after re-installing drivers in kies, my phone does not appear in the "list of devices needing emergency recovery". What do I do to fix the kies issues, and then can I still flash stock firmware? :(

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