From RCON - did oxide.unload RemoverTool - followed by oxide.load RemoverTool and was returned with this. RemoverTool not working when clicking on built items. Hopefully this copy pasted information will help here?
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Unloaded plugin Remover Tool v4.3.39 by Reneb/Fuji/Arainrr/Tryhard
Failed to call hook 'OnServerInitialized' on plugin 'RemoverTool v4.3.39' (NullReferenceException: Object reference not set to an instance of an object)
at Oxide.Plugins.RemoverTool.UpdateConfig () [0x000d0] in <614838b385d34cafb25b343338023e52>:0
at Oxide.Plugins.RemoverTool.OnServerInitialized () [0x00006] in <614838b385d34cafb25b343338023e52>:0
at Oxide.Plugins.RemoverTool.DirectCallHook (System.String name, System.Object& ret, System.Object[] args) [0x0028d] in <614838b385d34cafb25b343338023e52>:0
at Oxide.Plugins.CSharpPlugin.InvokeMethod (Oxide.Core.Plugins.HookMethod method, System.Object[] args) [0x00079] in <23ba99f131254889867c71f0bd137b1d>:0
at Oxide.Core.Plugins.CSPlugin.OnCallHook (System.String name, System.Object[] args) [0x000d8] in <157a94ee66ab4a7991faecd1eb84be3b>:0
at Oxide.Core.Plugins.Plugin.CallHook (System.String hook, System.Object[] args) [0x00060] in <157a94ee66ab4a7991faecd1eb84be3b>:0
at Oxide.Plugins.RemoverTool.UpdateConfig () [0x000d0] in <614838b385d34cafb25b343338023e52>:0
at Oxide.Plugins.RemoverTool.OnServerInitialized () [0x00006] in <614838b385d34cafb25b343338023e52>:0
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)
Loaded plugin Remover Tool v4.3.39 by Reneb/Fuji/Arainrr/Tryhard
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)
Rcon Error: System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.
. ---> System.Net.Sockets.SocketException: An existing connection was forcibly closed by the remote host.
at System.Net.Sockets.Socket.EndReceive (System.IAsyncResult asyncResult) [0x00012] in <14e3453b740b4bd690e8d4e5a013a715>:0
at System.Net.Sockets.NetworkStream.EndRead (System.IAsyncResult asyncResult) [0x00057] in <14e3453b740b4bd690e8d4e5a013a715>:0
--- End of inner exception stack trace ---
at System.Net.Sockets.NetworkStream.EndRead (System.IAsyncResult asyncResult) [0x0009b] in <14e3453b740b4bd690e8d4e5a013a715>:0
at Fleck.WebSocketConnection+<>c.<Receive>b__63_0 (System.IAsyncResult result) [0x00017] in <ab99eefdd17e4a4e88de8ba5c29af877>:0
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)
[Death Notes] Kalaman Vivant did not want to be a part of the Scientist's experiments.
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 35)
8307646[8307646] was killed by Kalaman Vivant[76561############] at (-940.3, 44.7, 257.0)