Problem solved!
1. Empty pftables
Removing all three "|encode_idna" in file
2. After delete alias entry in pftables still exist
3. Alias group not update immediately after click apply
https://github.com/opnsense/core/issues/3431
https://github.com/opnsense/core/issues/3432
1. Empty pftables
Removing all three "|encode_idna" in file
Code Select
/usr/local/opnsense/service/templates/OPNsense/Filter/filter_tables.conf
2. After delete alias entry in pftables still exist
Code Select
opnsense-patch e784027
3. Alias group not update immediately after click apply
Code Select
opnsense-patch 3dc5f71
https://github.com/opnsense/core/issues/3431
https://github.com/opnsense/core/issues/3432