apt error while loading shared libraries libapt-pkgso60 cannot open shared object file No such file or directory

This error message indicates that the "libapt-pkg.so.6.0" shared library file is missing or cannot be found in the specified directory.

To resolve this issue, you can try the following steps:

Check if the library file exists: Run the following command to check if the library file is present in the correct location:
```
ls /usr/lib/x86_64-linux-gnu/libapt-pkg.so.6.0
```
If the file exists, you may need to update the library cache: Run the following command to update the library cache:
```
sudo ldconfig
```
If the file does not exist, you might need to reinstall the "apt" package to restore the missing library file. Run the following command to reinstall the package:
```
sudo apt-get install --reinstall apt
```

If none of these steps resolve the issue, you may need to seek further assistance or consider reinstalling the operating system