set vrf name red protocols bgp neighbor 192.0.2.2 peer-group 'PG'
set vrf name red protocols bgp neighbor 192.0.2.2 remote-as '65002'
set vrf name red protocols bgp peer-group PG address-family ipv4-unicast
set vrf name red protocols bgp system-as '65001'
set vrf name red table '1010'
commit

set vrf name red protocols bgp neighbor 192.0.2.3 peer-group 'PG'
set vrf name red protocols bgp neighbor 192.0.2.3 remote-as '65001'
commit

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/protocols_bgp.py", line 596, in <module>
    apply(c)
  File "/usr/libexec/vyos/conf_mode/protocols_bgp.py", line 587, in apply
    frr_cfg.commit_configuration(bgp_daemon)
  File "/usr/lib/python3/dist-packages/vyos/frr.py", line 482, in commit_configuration
    raise ConfigurationNotValid(f'Config commit retry counter ({count_max}) exceeded for {daemon} dameon!')
vyos.frr.ConfigurationNotValid: Config commit retry counter (5) exceeded for bgpd dameon!

vyos@r4# vtysh
r4#
r4# conf t
r4(config)# 
r4(config)# router bgp 65001 vrf red 
r4(config-router)#  neighbor 192.0.2.3 remote-as 65001
% Peer-group members must be all internal or all external.
r4(config-router)#