hi im trying to convert my physical centos 7 to vm esxi 6.0

and get this error on 97%  error

An error occurred during the conversion: 'GrubInstaller::InstallGrub: Failed to read GRUB configuration from /mnt/p2v-src-root/boot/efi/EFI/centos/grub.cfg

im quite new on this anyone could help me in this case?