When my Server is running it sometimes randomly starts to spam the following message in the console:
[Console Webhook Thread/ERROR]: Encountered 429, retrying after 1000 ms
It seems like it gets send roughly every second sometimes with a 1-2 second pause

Modlist:
[19:57:12] [main/INFO]: Loading Minecraft 1.21.1 with Fabric Loader 0.16.9
[19:57:12] [main/INFO]: Loading 113 mods:
- antixray 1.4.6
-- com_moandjiezana_toml_toml4j 0.7.2
- banhammer 0.11.1+1.21
|-- com_mysql_mysql-connector-j 8.4.0
|-- fabric-permissions-api-v0 0.3.1
|-- org_postgresql_postgresql 42.7.3
-- org_xerial_sqlite-jdbc 3.46.0.0
- chunky 1.4.16
- cloth-config 15.0.140
-- cloth-basic-math 0.6.1
- collective 7.84
- craterlib 2.1.0
- dataloader 1.1.6+1.21
- fabric-api 0.103.0+1.21.1
|-- fabric-api-base 0.4.42+6573ed8c19
|-- fabric-api-lookup-api-v1 1.6.68+b559734419
|-- fabric-biome-api-v1 13.0.29+5bd9f1bc19
|-- fabric-block-api-v1 1.0.22+0af3f5a719
|-- fabric-block-view-api-v2 1.0.10+6573ed8c19
|-- fabric-blockrenderlayer-v1 1.1.52+0af3f5a719
|-- fabric-client-tags-api-v1 1.1.15+6573ed8c19
|-- fabric-command-api-v1 1.2.49+f71b366f19
|-- fabric-command-api-v2 2.2.28+6ced4dd919
|-- fabric-commands-v0 0.2.66+df3654b319
|-- fabric-content-registries-v0 8.0.16+b559734419
|-- fabric-convention-tags-v1 2.0.21+7f945d5b19
|-- fabric-convention-tags-v2 2.6.1+9b16164119
|-- fabric-crash-report-info-v1 0.2.29+0af3f5a719
|-- fabric-data-attachment-api-v1 1.1.28+1daea21519
|-- fabric-data-generation-api-v1 20.2.18+16c4ae2519
|-- fabric-dimensions-v1 4.0.0+6fc22b9919
|-- fabric-entity-events-v1 1.7.0+2122d82819
|-- fabric-events-interaction-v0 0.7.12+ba9dae0619
|-- fabric-game-rule-api-v1 1.0.53+6ced4dd919
|-- fabric-item-api-v1 11.0.0+afdfc92119
|-- fabric-item-group-api-v1 4.1.5+3fc0e55219
|-- fabric-key-binding-api-v1 1.0.47+0af3f5a719
|-- fabric-keybindings-v0 0.2.45+df3654b319
|-- fabric-lifecycle-events-v1 2.3.12+6c1df36019
|-- fabric-loot-api-v2 3.0.14+3f89f5a519
|-- fabric-loot-api-v3 1.0.2+3f89f5a519
|-- fabric-message-api-v1 6.0.13+6573ed8c19
|-- fabric-model-loading-api-v1 2.0.0+fe474d6b19
|-- fabric-networking-api-v1 4.2.2+60c3209b19
|-- fabric-object-builder-api-v1 15.2.0+40875a9319
|-- fabric-particles-v1 4.0.2+6573ed8c19
|-- fabric-recipe-api-v1 5.0.12+6508971219
|-- fabric-registry-sync-v0 5.1.2+60c3209b19
|-- fabric-renderer-api-v1 3.4.0+c705a49c19
|-- fabric-renderer-indigo 1.7.0+c705a49c19
|-- fabric-renderer-registries-v1 3.2.68+df3654b319
|-- fabric-rendering-data-attachment-v1 0.3.48+73761d2e19
|-- fabric-rendering-fluids-v1 3.1.6+1daea21519
|-- fabric-rendering-v0 1.1.71+df3654b319
|-- fabric-rendering-v1 5.0.5+df16efd019
|-- fabric-resource-conditions-api-v1 4.3.0+8dc279b119
|-- fabric-resource-loader-v0 1.3.0+5659912919
|-- fabric-screen-api-v1 2.0.25+8b68f1c719
|-- fabric-screen-handler-api-v1 1.3.86+b559734419
|-- fabric-sound-api-v1 1.0.23+6573ed8c19
|-- fabric-transfer-api-v1 5.1.17+1db1cc1f19
-- fabric-transitive-access-wideners-v1 6.1.0+1daea21519
- fabricloader 0.16.9
-- mixinextras 0.4.1
- ferritecore 7.0.0
- image2map 0.7.1+1.21
|-- map-canvas-api 0.4.1+1.21
-- sgui 1.6.0+1.21
- invview 1.4.15-1.20.5+
- java 22
- justplayerheads 4.1
- ksyxis 1.3.2
- leashmod 1.1.0
- lifestealmod 2.0
- lithium 0.13.0
- luckperms 5.4.140
-- fabric-permissions-api-v0 0.3.1
- luckperms-placeholders 5.4-SNAPSHOT
- melius-vanish 1.5.7+1.21.1
|-- fabric-permissions-api-v0 0.3.1
|-- placeholder-api 2.4.1+1.21
|-- player-data-api 0.6.0+1.21
-- server_translations_api 2.3.1+1.21-pre2
- minecraft 1.21.1
- modernfix 5.19.3+mc1.21.1
- mru 1.0.2+1.21+fabric
- nochatreports 1.21-v2.8.0
- noend 0.0.3
- nofeathertrample 1.3
- noisium 2.3.0+mc1.21-1.21.1
- polymer-bundled 0.9.12+1.21.1
|-- polymer-autohost 0.9.12+1.21.1
| -- io_netty_netty-codec-http 4.1.82
|-- polymer-blocks 0.9.12+1.21.1
|-- polymer-common 0.9.12+1.21.1
| -- packet_tweaker 0.5.5+1.21
|-- polymer-core 0.9.12+1.21.1
| |-- polymer-networking 0.9.12+1.21.1
| | -- polymer-common 0.9.12+1.21.1
| | -- packet_tweaker 0.5.5+1.21
| -- polymer-registry-sync-manipulator 0.9.12+1.21.1
|-- polymer-resource-pack 0.9.12+1.21.1
| -- polymer-common 0.9.12+1.21.1
| -- packet_tweaker 0.5.5+1.21
-- polymer-virtual-entity 0.9.12+1.21.1
-- polymer-common 0.9.12+1.21.1
-- packet_tweaker 0.5.5+1.21
- preferred-gamerules 1.1.0+1.19.4
- pvpgamerule 0.0.1+1.20-21.1
- sdlink 3.1.6
- servercore 1.5.5+1.21.1
|-- fabric-permissions-api-v0 0.3.1
|-- org_yaml_snakeyaml 2.2
|-- placeholder-api 2.4.1+1.21
|-- space_arim_dazzleconf_dazzleconf-core 1.3.0-M2
-- space_arim_dazzleconf_dazzleconf-ext-snakeyaml 1.3.0-M2
- snowundertrees 2.5.3+1.21
-- yet_another_config_lib_v3 3.5.0+1.21-fabric
|-- com_twelvemonkeys_common_common-image 3.10.0
|-- com_twelvemonkeys_common_common-io 3.10.0
|-- com_twelvemonkeys_common_common-lang 3.10.0
|-- com_twelvemonkeys_imageio_imageio-core 3.10.0
|-- com_twelvemonkeys_imageio_imageio-metadata 3.10.0
|-- com_twelvemonkeys_imageio_imageio-webp 3.10.0
|-- org_quiltmc_parsers_gson 0.2.1
-- org_quiltmc_parsers_json 0.2.1
- spark 1.10.97
-- fabric-permissions-api-v0 0.3.1
- styled-nicknames 1.6.0+1.21
|-- fabric-permissions-api-v0 0.3.1
-- player-data-api 0.6.0+1.21
- styledchat 2.6.0+1.21
|-- fabric-permissions-api-v0 0.3.1
|-- player-data-api 0.6.0+1.21
-- predicate-api 0.5.1+1.21
- styledplayerlist 3.5.1+1.21
|-- fabric-permissions-api-v0 0.3.1
-- player-data-api 0.6.0+1.21
- threadtweak 0.1.5+mc1.21.1
- vcinteraction 1.21.1-1.0.8
- voicechat 1.21.1-2.5.20
-- fabric-key-binding-api-v1 1.0.47+0af3f5a76a
- voicechatgroupmsg 1.0.1

You are being rate limited on the console webhook. Check for stuff being spammed into that channel

Versions 3.2.2 contains a new spam checker that should help prevent these issues in the future