## Check off each item in this list before submitting: <!--To mark a section as complete either put an "x" in between the square brackets, example: "[x]" Or click the checkbox once the issue has been created.--> 1. [x] Check the FAQ to see if your issue has already been reported and has a solution: [Problems-and-solutions](https://gitlab.com/jeseibel/distant-horizons/-/wikis/2-frequently-asked-questions/2-problems-and-solutions/Problems-and-Solutions) 2. [x] Make sure you are not using any mods on the incompatible list: [Mod support FAQ](https://gitlab.com/jeseibel/distant-horizons/-/wikis/2-frequently-asked-questions/4-mod-support/Mod-Support) 3. [x] Check the existing issues to verify that your bug hasn't already been submitted: [Issues](https://gitlab.com/jeseibel/distant-horizons/-/issues/) 4. [x] Upload Minecraft's crash report and/or log. \ Minecraft crash reports are located in: `.minecraft/crash-reports` \ Minecraft logs are located in: `.minecraft/logs` 5. [x] Upload your Distant Horizons Config. \ The config is found in: `.minecraft/configs/DistantHorizons.toml` 6. [x] Fill out the information below: Using: * Server: * Minecraft 1.21.1 * Purpur build 2329 * DHS 0.6.1 (from the Google Drive) * Multiverse with various worlds (happens on all) * various plugins * Client: * Minecraft 1.21.1 * Fabric Loader 0.16.3 * DH 2.3.0-b-dev c326e0ba (manually built) On joining my Purpur server with the DHS plugin and DH 2.3.0-b-dev (commit c326e0ba, latest from main), the following messages are printed: ``` [XX:55:22] [Render thread/ERROR]: Failed to handle the message. New messages will be ignored. java.util.regex.PatternSyntaxException: Unclosed counted closure near index 8 ^(?=.{1,$MAX_LENGTH}$)([$PART_ALLOWED_CHARS_REGEX]+@)?[$PART_ALLOWED_CHARS_REGEX]+(:[$PART_ALLOWED_CHARS_REGEX]+)?$ ^ at java.base/java.util.regex.Pattern.error(Pattern.java:2204) ~[?:?] at java.base/java.util.regex.Pattern.closure(Pattern.java:3480) ~[?:?] at java.base/java.util.regex.Pattern.sequence(Pattern.java:2390) ~[?:?] at java.base/java.util.regex.Pattern.expr(Pattern.java:2245) ~[?:?] at java.base/java.util.regex.Pattern.group0(Pattern.java:3152) ~[?:?] at java.base/java.util.regex.Pattern.sequence(Pattern.java:2300) ~[?:?] at java.base/java.util.regex.Pattern.expr(Pattern.java:2245) ~[?:?] at java.base/java.util.regex.Pattern.compile(Pattern.java:1945) ~[?:?] at java.base/java.util.regex.Pattern.<init>(Pattern.java:1576) ~[?:?] at java.base/java.util.regex.Pattern.compile(Pattern.java:1101) ~[?:?] at java.base/java.util.regex.Pattern.matches(Pattern.java:1220) ~[?:?] at java.base/java.lang.String.matches(String.java:2969) ~[?:?] at com.seibel.distanthorizons.core.api.internal.ClientPluginChannelApi.onLevelInitMessage(ClientPluginChannelApi.java:78) ~[DistantHorizons-2.3.0-b-dev-1.21.1-fabric-neoforge.jar:?] at com.seibel.distanthorizons.core.network.event.AbstractNetworkEventSource.lambda$registerHandler$3(AbstractNetworkEventSource.java:149) ~[DistantHorizons-2.3.0-b-dev-1.21.1-fabric-neoforge.jar:?] at com.seibel.distanthorizons.core.network.event.AbstractNetworkEventSource.handleMessage(AbstractNetworkEventSource.java:85) ~[DistantHorizons-2.3.0-b-dev-1.21.1-fabric-neoforge.jar:?] at com.seibel.distanthorizons.core.network.session.NetworkSession.tryHandleMessage(NetworkSession.java:88) ~[DistantHorizons-2.3.0-b-dev-1.21.1-fabric-neoforge.jar:?] at com.seibel.distanthorizons.core.api.internal.ClientApi.pluginMessageReceived(ClientApi.java:369) ~[DistantHorizons-2.3.0-b-dev-1.21.1-fabric-neoforge.jar:?] at com.seibel.distanthorizons.fabric.FabricClientProxy.lambda$registerEvents$10(FabricClientProxy.java:313) ~[DistantHorizons-2.3.0-b-dev-1.21.1-fabric-neoforge.jar:?] at net.fabricmc.fabric.impl.networking.client.ClientPlayNetworkAddon.lambda$receive$0(ClientPlayNetworkAddon.java:73) ~[fabric-networking-api-v1-4.3.0+c7469b2119-f0b0156a0085be9.jar:?] at net.minecraft.class_1255.method_18859(class_1255.java:162) [client-intermediary.jar:?] at net.minecraft.class_4093.method_18859(class_4093.java:23) [client-intermediary.jar:?] at net.minecraft.class_1255.method_16075(class_1255.java:136) [client-intermediary.jar:?] at net.minecraft.class_1255.method_5383(class_1255.java:121) [client-intermediary.jar:?] at net.minecraft.class_310.method_1523(class_310.java:1240) [client-intermediary.jar:?] at net.minecraft.class_310.method_1514(class_310.java:882) [client-intermediary.jar:?] at net.minecraft.client.main.Main.main(Main.java:256) [client-intermediary.jar:?] at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:480) [fabric-loader-0.16.3.jar:?] at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) [fabric-loader-0.16.3.jar:?] at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23) [fabric-loader-0.16.3.jar:?] at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:105) [NewLaunch.jar:?] at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129) [NewLaunch.jar:?] at org.prismlauncher.EntryPoint.main(EntryPoint.java:70) [NewLaunch.jar:?] [XX:55:22] [Render thread/INFO]: [CHAT] [Distant Horizons] §4§l§uERROR:§r Failed to handle the message. New messages will be ignored.\njava.util.regex. < ... the same as above, just printed to in-game chat ... > [XX:55:22] [Render thread/ERROR]: Message: [LevelInitMessage{levelKey=world, serverTime=1731952523588}] [XX:55:22] [Render thread/INFO]: [CHAT] [Distant Horizons] §4§l§uERROR:§r Message: [LevelInitMessage{levelKey=world, serverTime=1731952523588}] [XX:55:22] [Render thread/WARN]: Unhandled message: [SessionConfigMessage{config=SessionConfig{values={renderDistanceRadius=256, enableDistantGeneration=true, generationRequestRateLimit=20, enableRealTimeUpdates=false, synchronizeOnLoad=true, syncOnLoadRateLimit=50, maxDataTransferSpeed=0}}}]. ``` It seems that [this regex](https://gitlab.com/distant-horizons-team/distant-horizons-core/-/blob/main/core/src/main/java/com/seibel/distanthorizons/core/network/messages/base/LevelInitMessage.java#L9-15) is not being templated at all [when it is used](https://gitlab.com/distant-horizons-team/distant-horizons-core/-/blob/main/core/src/main/java/com/seibel/distanthorizons/core/api/internal/ClientPluginChannelApi.java#L78), though it doesn't seem to resemble any form of java string templating. [DistantHorizons.toml](/uploads/35b08dfb2571a2366926e0c2a017f878/DistantHorizons.toml)