Error loading gemma-4-E4B model

[JackeAstray]

Used Unity 6000.3.10f1
Inspector configuration is default。
What could be the problem?

ERROR:
Failed to create LLM service: LlamaLib error -1: Error loading the model!
UnityEngine.Debug:LogError (object)
LLMUnity.LLMUnitySetup:LogError (string,bool) (at ./Packages/LLMUnity-3.0.3/Runtime/LLMUnitySetup.cs:202)
LLMUnity.LLM/d__107:MoveNext () (at ./Packages/LLMUnity-3.0.3/Runtime/LLM.cs:439)
System.Runtime.CompilerServices.AsyncTaskMethodBuilder:SetException (System.Exception)
LLMUnity.LLM/d__111:MoveNext () (at ./Packages/LLMUnity-3.0.3/Runtime/LLM.cs:504)
UnityEngine.UnitySynchronizationContext:ExecuteTasks ()