snowballs/eggs not doing knockback/dmg

#Minecraft server properties
#Sun Apr 20 15:06:49 EDT 2025
accepts-transfers=false
allow-flight=false
allow-nether=true
broadcast-console-to-ops=true
broadcast-rcon-to-ops=true
bug-report-link=
debug=false
difficulty=normal
enable-command-block=true
enable-jmx-monitoring=false
enable-query=false
enable-rcon=false
enable-status=true
enforce-secure-profile=true
enforce-whitelist=false
entity-broadcast-range-percentage=100
force-gamemode=false
function-permission-level=2
gamemode=survival
generate-structures=true
generator-settings={}
hardcore=false
hide-online-players=false
initial-disabled-packs=
initial-enabled-packs=vanilla
level-name=cherryblossomworld
level-seed=1691256543523180978
level-type=minecraft\\\:normal
log-ips=true
max-chained-neighbor-updates=1000000
max-players=100
max-tick-time=60000
max-world-size=29999984
motd=§9§lV§e§lG§9§lT§e§lC §b§lMinecraft Server §c[1.21]
network-compression-threshold=256
online-mode=true
op-permission-level=4
player-idle-timeout=0
prevent-proxy-connections=false
pvp=true
query.port=27085
rate-limit=0
rcon.password=
rcon.port=25575
region-file-compression=deflate
require-resource-pack=false
resource-pack=
resource-pack-id=
resource-pack-prompt=
resource-pack-sha1=
server-ip=173.240.148.201
server-port=27085
simulation-distance=10
spawn-animals=true
spawn-monsters=true
spawn-npcs=true
spawn-protection=1
sync-chunk-writes=true
text-filtering-config=
use-native-transport=true
view-distance=12
white-list=false

# This is a world configuration file for Paper.
# This file may start empty but can be filled with settings to override ones in the config/paper-world-defaults.yml
# 
# World: world (minecraft:overworld)

_version: 31