fixed so it works with newers versions

gradle.properties

@@ -8,7 +8,7 @@ org.gradle.jvmargs=-Xmx1G
 	loader_version=0.15.11
 
 # Mod Properties
-	mod_version = 1.0
+	mod_version = 1.0.1
 	maven_group = me.lukasabbe
 	archives_base_name = VoiceChatGroupMsg
 
@@ -17,5 +17,5 @@ org.gradle.jvmargs=-Xmx1G
 
 # Dependencies
 	# check this on https://modmuss50.me/fabric.html
-	fabric_version=0.100.7+1.21
+	fabric_version=0.102.0+1.21
 	voicechat_api_version=2.5.0

src/main/java/me/lukasabbe/voicechatgroupmsg/Commands.java

@@ -17,13 +17,11 @@ import java.util.List;
 
 public class Commands {
     public static void CreateGroupMsgCommand(CommandDispatcher<ServerCommandSource> dispatcher, CommandRegistryAccess commandRegistryAccess, CommandManager.RegistrationEnvironment registrationEnvironment) {
-        dispatcher.register(
+        dispatcher.register(CommandManager
-                CommandManager
+                .literal("msgvc")
-                        .literal("msgvc")
+                .then(CommandManager
-                        .then(
+                        .argument("message", MessageArgumentType.message())
-                                CommandManager
+                        .executes(Commands::runCommand)));
-                                        .argument("message", MessageArgumentType.message())
-                                        .executes(Commands::runCommand)));
     }
 
     private static int runCommand(CommandContext<ServerCommandSource> ctx) throws CommandSyntaxException {
@@ -40,10 +38,16 @@ public class Commands {
         Group group = VoiceChatGroupMsg.getPlayerGroup(player);
         List<ServerPlayerEntity> players = VoiceChatGroupMsg.GroupPlayers(group.getId(), source.getWorld());
         MessageArgumentType.getSignedMessage(ctx, "message", signedMessage -> {
-            player.sendChatMessage(SentMessage.of(signedMessage),true, MessageType.params(MessageType.TEAM_MSG_COMMAND_OUTGOING,source).withTargetName(Text.of(group.getName())));
+            player.sendChatMessage(
+                    SentMessage.of(signedMessage),
+                    true,
+                    MessageType.params(MessageType.TEAM_MSG_COMMAND_OUTGOING,source).withTargetName(Text.of(group.getName())));
             players.forEach(player1 -> {
-                if(!player1.getUuid().equals(source.getPlayer().getUuid())){
+                if(!player1.getUuid().equals(player.getUuid())){
-                    player1.sendChatMessage(SentMessage.of(signedMessage),true, MessageType.params(MessageType.TEAM_MSG_COMMAND_INCOMING,source).withTargetName(Text.of(group.getName())));
+                    player1.sendChatMessage(
+                            SentMessage.of(signedMessage),
+                            true,
+                            MessageType.params(MessageType.TEAM_MSG_COMMAND_INCOMING,source).withTargetName(Text.of(group.getName())));
                 }
             });
         });

src/main/java/me/lukasabbe/voicechatgroupmsg/VoiceChatGroupMsg.java

@@ -44,7 +44,7 @@ public class VoiceChatGroupMsg implements DedicatedServerModInitializer, Voicech
     }
     public static boolean isPlayerInGroup(ServerPlayerEntity player, UUID groupID){
         try{
-            if(!API.getConnectionOf(player.getUuid()).isInGroup())return false;
+            if(!API.getConnectionOf(player.getUuid()).isInGroup()) return false;
             return API.getConnectionOf(player.getUuid()).getGroup().getId().equals(groupID);
 
         }catch (NullPointerException ignore){

src/main/resources/fabric.mod.json

@@ -22,7 +22,7 @@
   "depends": {
     "fabricloader": ">=${loader_version}",
     "fabric": "*",
-    "minecraft": "${minecraft_version}",
+    "minecraft": ">=${minecraft_version}",
     "voicechat": ">=${minecraft_version}-${voicechat_api_version}"
   }
 }