Unable to flash ESP32: E (71) SPIFFS: mount failed, -10025

[dvismans]

Hi - following the instructions to flash the ESP32: esptool.py --chip esp32 --port /dev/cu.usbserial-D308DKJZ --baud 921600 --before default_reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m --flash_size detect 0xe000 ./ESP32/partitions/boot_app0.bin 0x1000 ./ESP32/sdk/bin/bootloader_dio_80m.bin 0x10000 ./Firmware/UroflowESP32.ino_ESP32.bin 0x8000 ./Firmware/UroflowESP32.ino.partitions_ESP32.bin

Serial monitor shows:

20:39:47.978 -> ROSA 20180618.v5785 by Rok Rodic alias Hacker007 alias GreenEyedExplorer
20:39:47.978 -> Chip ID: 0x1C4F5FC
20:39:47.978 -> Measurements: 0
20:39:47.978 -> Booting
20:39:47.978 -> CPU0 reset reason:Software reset CPU
20:39:47.978 -> CPU1 reset reason:Software reset CPU
20:39:47.978 -> Heap: 157560
20:39:47.978 -> Chip version: 1
20:39:47.978 -> CPU speed: 240MHz
20:39:47.978 -> SDK: v3.1-dev-239-g1c3dd23f-dirty
20:39:47.978 -> Flash size: 4194304
20:39:47.978 -> Flash speed: 80000000
20:39:47.978 -> E (71) SPIFFS: mount failed, -10025
20:39:47.978 -> Failed to mount file system
20:39:47.978 -> Guru Meditation Error: Core 1 panic'ed (LoadProhibited)
20:39:48.015 -> . Exception was unhandled.
20:39:48.015 -> Register dump:
20:39:48.015 -> PC : 0x40147a8f PS : 0x00060930 A0 : 0x800e0674 A1 : 0x3ffda380
20:39:48.015 -> A2 : 0x00000000 A3 : 0x3ffc1124 A4 : 0x000005b4 A5 : 0x00000008
20:39:48.015 -> A6 : 0x3ffda39c A7 : 0x3ffda390 A8 : 0x80086132 A9 : 0x3ffda370
20:39:48.015 -> A10 : 0x00000000 A11 : 0x00000000 A12 : 0x00060720 A13 : 0x3ffda3a0
20:39:48.049 -> A14 : 0x00050323 A15 : 0x3ffd51fc SAR : 0x0000001b EXCCAUSE: 0x0000001c
20:39:48.049 -> EXCVADDR: 0x0000000c LBEG : 0x400dce98 LEND : 0x400dcea4 LCOUNT : 0x00000000
20:39:48.049 ->
20:39:48.049 -> Backtrace: 0x40147a8f:0x3ffda380 0x400e0671:0x3ffda3a0 0x400e09e9:0x3ffda3d0 0x400db880:0x3ffda440 0x400dcf7e:0x3ffda460 0x40131ad8:0x3ffda490
20:39:48.086 ->
20:39:48.086 -> Rebooting...