Keep getting server error cant seem to launch server

[ChiefMac]

i keep getting this error on a dedicated server anyone know how to fix ?
 

Game Version: v1.18.8 (Stable)
3/16/2025 4:58:33 PM: Critical error occurred
Loaded Mods:
System.Exception: SendServerAssets failed. See log files.
   at Vintagestory.Server.ServerMain.BuildServerAssetsPacket() in VintagestoryLib\Server\ServerMainNetworking.cs:line 1096
   at Vintagestory.API.Common.TyronThreadPool.<>c__DisplayClass13_0.<QueueLongDurationTask>b__0(Object a) in VintagestoryApi\Common\TyronThreadPool.cs:line 122
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
Game Version: v1.18.8 (Stable)
3/16/2025 5:00:22 PM: Critical error occurred
Loaded Mods:
System.Exception: SendServerAssets failed. See log files.
   at Vintagestory.Server.ServerMain.BuildServerAssetsPacket() in VintagestoryLib\Server\ServerMainNetworking.cs:line 1096
   at Vintagestory.API.Common.TyronThreadPool.<>c__DisplayClass13_0.<QueueLongDurationTask>b__0(Object a) in VintagestoryApi\Common\TyronThreadPool.cs:line 122
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()