hey does anyone know what this is and how to fix it

ive been trying to fix this for weeks i have the right version of unity (2019.4.31f1) and sdk 3.0 it happens every time i try to publish avatars like when i click build and publish any help is greatly appreciated (side note this is my first time posting a question sorry if i missed something) anyways here's the error it

FileNotFoundException: C:/Users/garza/AppData/Local/Temp/DefaultCompany/cmon cuhh/prefab-id-v1_avtr_65dfec89-c13b-483c-aecb-b508367a9852_5688361955.prefab.unity3d does not exist System.IO.File.Copy (System.String sourceFileName, System.String destFileName, System.Boolean overwrite) (at :0) VRC.SDK3.Builder.VRCAvatarBuilder.ExportCurrentAvatarResource (UnityEngine.Object avatarResource, System.Boolean testAsset) (at :0) VRC.SDK3.Builder.VRCAvatarBuilder.ExportAndUploadAvatarBlueprint (UnityEngine.GameObject externalReference) (at :0) VRC.SDKBase.Editor.VRC_SdkBuilder.ExportAndUploadAvatarBlueprint (UnityEngine.GameObject externalReference) (at :0) VRC.SDK3.Editor.VRCSdkControlPanelAvatarBuilder3A.OnGUIAvatar (VRC.SDKBase.VRC_AvatarDescriptor avatar) (at Assets/VRCSDK/SDK3A/Editor/VRCSdkControlPanelAvatarBuilder3A.cs:581) VRC.SDKBase.Editor.VRCSdkControlPanelAvatarBuilder.ShowBuilder () (at Assets/VRCSDK/Dependencies/VRChat/Editor/ControlPanel/VRCSdkControlPanelAvatarBuilder.cs:158) VRCSdkControlPanel.ShowBuilders () (at Assets/VRCSDK/Dependencies/VRChat/Editor/ControlPanel/VRCSdkControlPanelBuilder.cs:329) VRCSdkControlPanel.OnGUI () (at Assets/VRCSDK/Dependencies/VRChat/Editor/ControlPanel/VRCSdkControlPanel.cs:213) System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at :0) Rethrow as TargetInvocationException: Exception has been thrown by the target of an invocation. System.Reflection.MonoMethod.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at :0) System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) (at :0) UnityEditor.HostView.Invoke (System.String methodName, System.Object obj) (at :0) UnityEditor.HostView.Invoke (System.String methodName) (at :0) UnityEditor.HostView.InvokeOnGUI (UnityEngine.Rect onGUIPosition, UnityEngine.Rect viewRect) (at :0) UnityEditor.DockArea.DrawView (UnityEngine.Rect viewRect, UnityEngine.Rect dockAreaRect) (at :0) UnityEditor.DockArea.OldOnGUI () (at :0) UnityEngine.UIElements.IMGUIContainer.DoOnGUI (UnityEngine.Event evt, UnityEngine.Matrix4x4 parentTransform, UnityEngine.Rect clippingRect, System.Boolean isComputingLayout, UnityEngine.Rect layoutSize, System.Action onGUIHandler, System.Boolean canAffectFocus) (at :0) UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e, UnityEngine.Matrix4x4 worldTransform, UnityEngine.Rect clippingRect, System.Action onGUIHandler, System.Boolean canAffectFocus) (at :0) UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e, System.Action onGUIHandler, System.Boolean canAffectFocus) (at :0) UnityEngine.UIElements.IMGUIContainer.HandleIMGUIEvent (UnityEngine.Event e, System.Boolean canAffectFocus) (at :0) UnityEngine.UIElements.IMGUIContainer.SendEventToIMGUI (UnityEngine.UIElements.EventBase evt, System.Boolean canAffectFocus) (at :0) UnityEngine.UIElements.IMGUIContainer.HandleEvent (UnityEngine.UIElements.EventBase evt) (at :0) UnityEngine.UIElements.CallbackEventHandler.HandleEventAtTargetPhase (UnityEngine.UIElements.EventBase evt) (at :0) UnityEngine.UIElements.MouseCaptureDispatchingStrategy.DispatchEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at :0) UnityEngine.UIElements.EventDispatcher.ApplyDispatchingStrategies (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, System.Boolean imguiEventIsInitiallyUsed) (at :0) UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at :0) UnityEngine.UIElements.EventDispatcher.ProcessEventQueue () (at :0) UnityEngine.UIElements.EventDispatcher.OpenGate () (at :0) UnityEngine.UIElements.EventDispatcherGate.Dispose () (at :0) UnityEngine.UIElements.EventDispatcher.ProcessEvent (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel) (at :0) UnityEngine.UIElements.EventDispatcher.Dispatch (UnityEngine.UIElements.EventBase evt, UnityEngine.UIElements.IPanel panel, UnityEngine.UIElements.DispatchMode dispatchMode) (at :0) UnityEngine.UIElements.BaseVisualElementPanel.SendEvent (UnityEngine.UIElements.EventBase e, UnityEngine.UIElements.DispatchMode dispatchMode) (at :0) UnityEngine.UIElements.UIElementsUtility.DoDispatch (UnityEngine.UIElements.BaseVisualElementPanel panel) (at :0) UnityEngine.UIElements.UIElementsUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at :0) UnityEngine.GUIUtility.ProcessEvent (System.Int32 instanceID, System.IntPtr nativeEventPtr) (at :0)