To reproduce.
Add neighbor to peer-group which don't exist.
vyos@r2-roll# set protocols bgp 64501 neighbor 203.0.113.1 peer-group FOO [edit] vyos@r2-roll# commit [ protocols bgp 64501 ] VyOS had an issue completing a command. Report Time: 2021-02-17 13:30:24 Image Version: VyOS 1.4-rolling-202102162107 Release Train: sagitta Built by: [email protected] Built on: Tue 16 Feb 2021 21:07 UTC Build UUID: ea5a7b58-7900-4ef9-817b-1726c5c0b718 Build Commit ID: 176dd5eeb5c3be Traceback (most recent call last): File "/usr/libexec/vyos/conf_mode/protocols_bgp.py", line 195, in <module> verify(c) File "/usr/libexec/vyos/conf_mode/protocols_bgp.py", line 98, in verify if peer_group not in asn_config['peer_group']: KeyError: 'peer_group' [[protocols bgp 64501]] failed Commit failed [edit]