Default [Q] ERROR flashing pac rom. HELP please !!

Hello folks.
Im quite desperate trying to flash my i9300 phone with a pac rom:

The thing is when i start the flash process using TWRP
I get an error:
set_metadata_recursive: some changes failed
E: Error executing updater binary in zip '/external_sd/soft/rom/'
Error flashing zip '/external_sd/soft/rom/'
Updating partition details

Any help ??