id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
21855	http://josm.openstreetmap.de/apt focal Release' no longer has a Release file.	A_Pirard	A_Pirard	"When reloading Synaptic, message
http://josm.openstreetmap.de/apt focal Release' no longer has a Release file.

$ sudo apt update
...
> Get:7 http://be.archive.ubuntu.com/ubuntu focal-updates InRelease [114 kB]                          
...
> Get:18 http://be.archive.ubuntu.com/ubuntu focal-updates/universe i386 Packages [677 kB]            
> Err:14 https://josm.openstreetmap.de/apt focal Release                                              
>   Certificate verification failed: The certificate is NOT trusted. The certificate chain uses expired certificate.  Could not handshake: Error in the certificate verification. [IP: 2a01:4f9:2b:907::2 443]
...
> Reading package lists... Done                                                                      
> E: The repository 'http://josm.openstreetmap.de/apt focal Release' does not have a Release file.
> N: Updating from such a repository can't be done securely, and is therefore disabled by default.
> N: See apt-secure(8) manpage for repository creation and user configuration details. 
"	defect	closed	normal		Ubuntu package		othersoftware	distribution