Luis_ST

show the full code which you use to register your EntityType

run the server via command line and post output

this is basic java...

show full code

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how did you register the EntityType (ENGModEntities.VALKYRIE_ENTITY)

remove the last two parameters (float and boolean)

create the model with Blockbench, than: create a new MeshDefinition get the PartDefinition from the MeshDefinition use CubeListBuilder#create to create a new one, and copy the texture offset and the box from the Blockbench model into the CubeListBuilder add the CubeListBuilder and a String and the position and rotation offset (use PartPose) to the PartDefinition use LayerDefinition#create to create a new one and register them finally you have a model for an Entity

this is not possible a MeshDefiniton is java based

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forge switched in 1.17 to vanilla classnames, there is a script you can use to update your whole project automatically, it also include an explanation how to update your mod from 1.16 to 1.17

do not use @OnlyIn and try with other RenderTypes

use EntityRenderersEvent.RegisterRenderers

do not use @OnlyIn its only for vanilla put in EntityType.Builder#build only the name and not a ResourceLocation you never registered the EntityRenderer of your Entity look at the vanilla models, you need to copy a few things from the create java file from Bockbench beacuse Bockbench still use the 1.15/1.16 registry system and use EntityRenderersEvent.RegisterLayerDefinitions to register the LayerDefinition of the Model

restart your system again and post the debug log again, if the server is still crash with the same error, something else is running on that port

post a git repo so i can use debbuger

both files are in the same folder? are there errors on the log?

the ports are correct, show your command line you are using to start the server

update your repo please and post log

how do you named the mcmeta file?

it's a little more complicated than you think, becuase KeyBindings are client side: create a custom KeyBinding and register it in FMLClientSetupEvent use TickEvent.ClientTickEvent to check if the KeyBinding is pressed (Note: TickEvents fired twice, check this with TickEvent.phase) if the KeyBinding is pressed, set Capability value to true (on client) get Capability value in RenderPlayerEvent.Pre and cancele it if the value is true I have no idea whether you have to sync the capability to all clients because the RenderPlayerEvent has no Java doc, so its not clear when and how the event is fired

you already run a server (on the port 25565) close the existing server and try again

cancele RenderPlayerEvent.Pre

where, this is not a link?