When I try sudo apt command I get the following message:
libopencv-highgui2.4v5 : Depends: libpng12-0 (>= 1.2.13-4) but it is not installed E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution).
When I try apt –fix-broken install I get:
libpng12-0 0 upgraded, 1 newly installed, 0 to remove and 74 not upgraded. 5 not fully installed or removed. Need to get 0 B/116 kB of archives. After this operation, 285 kB of additional disk space will be used. Do you want to continue? (Y/n) y (Reading database ... 213917 files and directories currently installed.) Preparing to unpack .../libpng12-0_1.2.54-1ubuntu1_amd64.deb ... Unpacking libpng12-0:amd64 (1.2.54-1ubuntu1) ... dpkg: error processing archive /var/cache/apt/archives/libpng12-0_1.2.54-1ubunt u1_amd64.deb (--unpack): unable to install new version of '/lib/x86_64-linux-gnu/libpng12.so.0': No suc h file or directory No apport report written because the error message indicates an issue on the lo cal system Errors were encountered while processing: /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1)```