hello can someone help me the mod is not working in multiplayer

The same version of the mod must be installed on both the server and client to work properly.

well i am usin fabric with the api thingy and im on 1.19

same

I'm going to take advantage of this issue. I'm having the same error. I'm having another error trying to join a singleplayer world. Server crashes using the next version and mods:

• fabric-server-mc.1.19.1-loader.0.14.8-launcher.0.11.0.jar
• fabric-api-0.58.5+1.19.1.jar
• architectury-6.0.34-fabric.jar
• identity-2.5.0-1.19-fabric.jar

[20:54:28] [main/INFO]: Found new data pack Fabric Mods, loading it automatically
[20:54:29] [main/ERROR]: Minecraft has crashed!
net.fabricmc.loader.impl.FormattedException: java.lang.AbstractMethodError: Receiver class draylar.identity.command.IdentityCommand$$Lambda$3272/0x00000008013f11f8 does not define or inherit an implementation of the resolved method 'abstract void register(com.mojang.brigadier.CommandDispatcher, net.minecraft.class_7157, net.minecraft.class_2170$class_5364)' of interface dev.architectury.event.events.common.CommandRegistrationEvent.
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:463) ~[fabric-loader-0.14.8.jar:?]
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) [fabric-loader-0.14.8.jar:?]
at net.fabricmc.loader.impl.launch.knot.KnotServer.main(KnotServer.java:23) [fabric-loader-0.14.8.jar:?]
at net.fabricmc.loader.impl.launch.server.FabricServerLauncher.main(FabricServerLauncher.java:69) [fabric-loader-0.14.8.jar:?]
at net.fabricmc.installer.ServerLauncher.main(ServerLauncher.java:69) [fabric-server-mc.1.19.1-loader.0.14.8-launcher.0.11.0.jar:0.11.0]
Caused by: java.lang.AbstractMethodError: Receiver class draylar.identity.command.IdentityCommand$$Lambda$3272/0x00000008013f11f8 does not define or inherit an implementation of the resolved method 'abstract void register(com.mojang.brigadier.CommandDispatcher, net.minecraft.class_7157, net.minecraft.class_2170$class_5364)' of interface dev.architectury.event.events.common.CommandRegistrationEvent.
at dev.architectury.event.fabric.EventHandlerImpl.lambda$registerCommon$18(EventHandlerImpl.java:77) ~[architectury-6.0.34-fabric.jar:?]
at net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback.lambda$static$0(CommandRegistrationCallback.java:43) ~[fabric-command-api-v2-2.1.5+0c17ea9695-b5c51f41338a42a0.jar:?]
at net.minecraft.class_2170.handler$zci000$fabric_addCommands(class_2170.java:1048) ~[server-intermediary.jar:?]
at net.minecraft.class_2170.(class_2170.java:251) ~[server-intermediary.jar:?]
at net.minecraft.class_5350.(class_5350.java:46) ~[server-intermediary.jar:?]
at net.minecraft.class_5350.method_29466(class_5350.java:84) ~[server-intermediary.jar:?]
at net.minecraft.class_7237.method_42098(class_7237.java:28) ~[server-intermediary.jar:?]
at net.minecraft.class_6904.method_40431(class_6904.java:18) ~[server-intermediary.jar:?]
at net.minecraft.server.Main.method_43612(Main.java:158) ~[server-intermediary.jar:?]
at net.minecraft.class_156.method_43498(class_156.java:952) ~[server-intermediary.jar:?]
at net.minecraft.class_156.method_43499(class_156.java:946) ~[server-intermediary.jar:?]
at net.minecraft.server.Main.main(Main.java:156) ~[server-intermediary.jar:?]
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:461) ~[fabric-loader-0.14.8.jar:?]
... 4 more

Confirmed on forge with crash above with
[Forge 1.19.1] v6.0.34 Architectuary
Identity 2.5.0

For me the World Doesn't show up at all

And i tryed unblocking the firewall direct connect and we have the same mods its weard