I keep getting this message whenever I try to activate TMPE

A ModTM:PE 11.8.0.0 STABLEcaused an error [ModException]

Details:
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.UnauthorizedAccessException: Access to the path "E:\games\steamapps\common\Cities_Skylines\Cities_Data\TMPE.log" is denied.
at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean anonymous, FileOptions options) [0x00000] in <filename unknown>:0
at System.IO.FileStream..ctor (System.String path, FileMode mode, FileAccess access, FileShare share) [0x00000] in <filename unknown>:0
at (wrapper remoting-invoke-with-check) System.IO.FileStream:.ctor (string,System.IO.FileMode,System.IO.FileAccess,System.IO.FileShare)
at System.IO.StreamWriter..ctor (System.String path, Boolean append, System.Text.Encoding encoding, Int32 bufferSize) [0x00000] in <filename unknown>:0
at System.IO.StreamWriter..ctor (System.String path, Boolean append) [0x00000] in <filename unknown>:0
at (wrapper remoting-invoke-with-check) System.IO.StreamWriter:.ctor (string,bool)
at System.IO.File.AppendText (System.String path) [0x00000] in <filename unknown>:0
at CSUtil.Commons.Log.LogToFile (System.String log, LogLevel level) [0x00000] in <filename unknown>:0
at CSUtil.Commons.Log.Info (System.String s) [0x00000] in <filename unknown>:0
at TrafficManager.State.SavedGameOptions.Ensure () [0x00000] in <filename unknown>:0
at TrafficManager.Lifecycle.TrafficManagerMod.OnSettingsUI (.UIHelper helper) [0x00000] in <filename unknown>:0
at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception