Issue with packing

[HawK40x]

D:\FIRMWARE MODIFICATIONS\Huawei HG8245\HW_WIN32>hw_fmw.exe -d "D:\FIRMWARE MODIFICATIONS\Huawei HG8245\HW_WIN32\unpack" -p -o HG8245mod.bin -v

[ - ] Error: [main:124] - [items_hdr.size() == 0]:[Count of items]

I didn't modified anything i simply extracted the firmware and trying repacking it and i got this issue, Also i wanted to ask if i extract ROOTFS modify it and repack it using relevant mksquashfs will the modifications gonna work?

[Troll338cz]

You need to change - to + for files you modified in outputdir/item_list.txt