hello, i am trying to create a devuan-custom install and when i select that create efi bootable iso, this error appear at the final

Media current: stdio file, overwriteable
Media status : is blank
Media summary: 0 sessions, 0 data blocks, 0 data, 29.6g free
Added to ISO image: directory '/'='/home/wedc/live-sdk/tmp/devuan-amd64-build/binary'
xorriso : UPDATE : 68 files added in 1 seconds
xorriso : UPDATE : 68 files added in 1 seconds
xorriso : NOTE : Copying to System Area: 432 bytes from file '/home/wedc/live-sdk/extra/syslinux/isohdpfx.bin'
xorriso : FAILURE : Cannot find path '/boot/grub/efiboot.img' in loaded ISO image
xorriso : NOTE : -return_with SORRY 32 triggered by problem severity FAILURE
[E] error in: iso_xorriso_build
[W] called in: iso_xorriso_build
[W] called in: umounted sys
[W] called in: building iso...
[E] error reported, operation aborted. 

what can i do?