After a global update, the plugin does not work Failed to call hook 'OnPlayerConnected' on plugin 'Trade v1.2.44' (NullReferenceException: Object reference not set to an instance of an object) at Oxide.Plugins.Trade.OnPlayerConnected (BasePlayer player) [0x0000c ] in <82d5f6ea463446c689641c2bbfd96642>:0
at Oxide.Plugins.Trade.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x00853] in <82d5f6ea463446c689641c2bbfd96642> :0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <206a0f2c6ee141f38e2ad549cde44d70>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [ 0x000de] in <beb2b64691c64e2b95b99491bd85442c>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <beb2b64691c64e2b95b99491bd8544 2c>:0

Same getting the same issue:

Error while compiling Trade: Property or indexer 'StorageContainer.inventory' cannot be assigned to -- it is read only | Line: 1004, Pos: 17

I see this for sale on Chaos so has it become a paid plugin now?