Not possible to install ubuntu mate because not enough space in the partition. However, the partiction is more than 160GB

[Mario Alvarez Hernandez]

Not possible to install ubuntu mate because not enough space in the partition. However, the partiction is more than 160GB
Im new in this...
Please, forget it for the moment. Im going to try again...

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubiquity 18.04.14.12
ProcVersionSignature: Ubuntu 5.0.0-23.24~18.04.1-generic 5.0.15
Uname: Linux 5.0.0-23-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
CasperVersion: 1.394
Date: Wed Jan 8 22:36:41 2020
InstallCmdLine: initrd=/casper/initrd file=/cdrom/preseed/ubuntu-mate.seed boot=casper only-ubiquity quiet splash --- BOOT_IMAGE=/casper/vmlinuz
LiveMediaBuild: Ubuntu-MATE 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
ProcEnviron:
 LANGUAGE=en_US.UTF-8
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 LC_NUMERIC=C.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)