Error on save in console

Hi, I have issue on Portable Locker have error on console and also, it's not saving loot inside in locker and it's disappearing!

Failed to call hook 'OnServerSave' on plugin 'PortableLocker v1.4.5' (InvalidOperationException: Cannot allocate for BufferStream that doesn't own the buffer (did you forget to call Initialize?)) at BufferStream.EnsureCapacity (System.Int32 spaceRequired) [0x0001f] in <ad819cf7bc3b4a0da68701e0fa20dac0>:0 at ProtoBuf.ItemContainer.Serialize (BufferStream stream, ProtoBuf.ItemContainer instance) [0x00016] in <ad819cf7bc3b4a0da68701e0fa20dac0>:0 at Oxide.Plugins.PortableLocker.SaveContainer () [0x000a0] in <d593a0f428ee400db4bf3842a9adbe7d>:0 at Oxide.Plugins.PortableLocker.OnServerSave () [0x00008] in <d593a0f428ee400db4bf3842a9adbe7d>:0 at Oxide.Plugins.PortableLocker.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00168] in <d593a0f428ee400db4bf3842a9adbe7d>:0 at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <42f9bedc659b4f4786eb778d3cd58968>:0 at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000de] in <8cb2d664f1574f2b96d53f1c1869d96a>:0 at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <8cb2d664f1574f2b96d53f1c1869d96a>:0