Blue Eye Macro

hi guys i am getting this error when i use any code i tried many codes but its not a problem with the code cuz i tried many codes and its the same for all
btw i tried to run this code on vmware with the same game and bem version and its running so good with no errors can u explain it ? and how to solve pls ? i cant play that game on vmware as it lags so much in it
here is the error :


Executing: Window.Send release keys(Window ID/Title: DMO, Exact match: yes, Child: 0, Keys: {<up>})
Error: Unknown
Error: Unknown
System.NullReferenceException: Object reference not set to an instance of an object.
at BlueEye.DataTypes.WindowMonitor.<>c__DisplayClassd.<GetHandle>b__9(WindowInfo w)
at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
at BlueEye.DataTypes.WindowMonitor.GetHandle(String title, Boolean exactMatch)
at BlueEye.Macros.Helpers.WindowHelper.smethod_0(String string_0, Boolean bool_0, String string_1)
at BlueEye.Macros.Helpers.WindowHelper.SendReleaseKeys(String windowName, Boolean exactMatch, String child, String keysAsString)
at BlueEye.Macros.Instructions.Window.Actions.SendReleaseKeysToWindow.Execute(IDictionary`2 variables)
at BlueEye.Macros.BaseClasses.BaseInstruction.Execute(IDictionary`2 variables)
at BlueEye.Macros.MacroStep.ExecuteInstructions(Macro owner, IDictionary`2 variables, Function[]& functions)Object reference not set to an instance of an object.
Executing: Window.Send press keys(Window ID/Title: DMO, Exact match: yes, Child: 0, Keys: 1)
Error: Unknown
Error: Unknown
System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)
at System.Collections.Generic.List`1.Enumerator.MoveNextRare()
at System.Collections.Generic.List`1.Enumerator.MoveNext()
at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
at BlueEye.DataTypes.WindowMonitor.GetHandle(String title, Boolean exactMatch)
at BlueEye.Macros.Helpers.WindowHelper.smethod_0(String string_0, Boolean bool_0, String string_1)
at BlueEye.Macros.Helpers.WindowHelper.SendKeys(String windowName, Boolean exactMatch, String child, String keysAsString)
at BlueEye.Macros.Instructions.Window.Actions.SendKeysToWindow.Execute(IDictionary`2 variables)
at BlueEye.Macros.BaseClasses.BaseInstruction.Execute(IDictionary`2 variables)
at BlueEye.Macros.MacroStep.ExecuteInstructions(Macro owner, IDictionary`2 variables, Function[]& functions)Collection was modified; enumeration operation may not execute.