The relevant error is
---
Running lilo...
Syntax error at or above line 20 in file '/etc/lilo.conf'
dpkg: error processing lilo (--configure):
subprocess post-installation script returned error exit status 1
If it's still an issue, please attach the file /etc/lilo.conf to this report. Thanks.
Thanks for your report.
The relevant error is
---
Running lilo...
Syntax error at or above line 20 in file '/etc/lilo.conf'
dpkg: error processing lilo (--configure):
subprocess post-installation script returned error exit status 1
If it's still an issue, please attach the file /etc/lilo.conf to this report. Thanks.