(02:49:46) | Exception while resolving plugin references (IOException: I/O error occurred.)
  at System.Threading.EventWaitHandle.Set () [0x00016] in <437ba245d8404784b9fbab9b439ac908>:0 
  at (wrapper remoting-invoke-with-check) System.Threading.EventWaitHandle.Set()
  at ObjectStream.ObjectStreamConnection`2[TRead,TWrite].PushMessage (TWrite message) [0x0000c] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0 
  at ObjectStream.ObjectStreamClient`2[TRead,TWrite].PushMessage (TWrite message) [0x00008] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0 
  at Oxide.Plugins.PluginCompiler.Shutdown () [0x0008a] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0 
  at Oxide.Plugins.PluginCompiler.CheckCompiler () [0x00058] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0 
  at Oxide.Plugins.PluginCompiler.EnqueueCompilation (Oxide.Plugins.Compilation compilation) [0x0000f] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0 
  at Oxide.Plugins.PluginCompiler+<>c__DisplayClass20_0.<Compile>b__0 () [0x00000] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0 
  at Oxide.Plugins.Compilation+<>c__DisplayClass23_0.<Prepare>b__0 (System.Object _) [0x001f6] in <d09a1f46ca2f4432811bcfe45ad13c7b>:0

That is a generic error that is not related to this or any plugin specifically.

Found the fixed for it. Need a server restart. Thjanks for the reply. :)