plist error while adding custom files in the core

[vivekmauli14]

Hi,

I have been trying to add some custom php files in the core. But getting plist error while building the iso.
I cloned the tools and then make update. I added the files in the core then did make plist-fix. Then I started make dvd
still getting this error. Please help me on how can I add custom files in the build ISO.

https://ibb.co/88fcDmt

Thank You !