program crashes in GUI and terminal

[slametz]

crashing in GUI on >> makefs-bios
crashing in terminal on >> copy-uefi

"

copy-uefi
copy from iso to uefi partition
files [Ee][Ff][Ii] version
Fix Dell uefi memtest bug
copy-main
copy from iso to main partition
copy /antiX/vmlinuz
Error: Error while copying files to main partition of live usb

live-usb-maker took 12 seconds.
sysctl: setting key "vm.dirty_bytes": Invalid argument
"

running Manjaro 20.1 64-bit
Linux Kernel 5.10.23.1