```
set policy prefix-list foo rule 10 le '26'
set policy prefix-list foo rule 10 prefix '10.0.0.0/24'
set protocols bgp neighbor 1.1.1.1 peer-group 'foo'
set protocols bgp peer-group foo address-family ipv4-unicast prefix-list export 'foo'
set protocols bgp peer-group foo remote-as '200'
set protocols bgp system-as '100'
```
Results in the following FRR error:
```
2026-04-10 21:52:46,063 ERROR: vtysh failed to process new configuration: vtysh (mark file) exited with status 2:
b'line 64: % Unknown command: ip prefix-list foo seq 10 10.0.0.0/24 le 26\n\n'
2026-04-10 21:52:46,063 INFO: Loading Config object from vtysh show running
```
```
cpo@LR1.wue3# commit
[ policy ]
Action must be specified for "prefix-list foo rule 10"!
[[policy]] failed
[ protocols bgp ]
The system encountered an error while rendering the new routing daemon
configuration. To ensure network stability and avoid potential
connectivity disruptions, the configuration was not applied!
[[protocols bgp]] failed
Commit failed
[edit]
```