Issue running Type mock

I am trying to run type mock  getting this error using VS 2019

TypeMock.TypeMockException

  HResult=0x80131500

  Message=

*** Typemock Isolator is currently disabled. Enable using the following:

 * Within Visual Studio:

   - Use Typemock Smart Runner

   - For other runners, Choose Typemock Menu and click "Integrate with Other Runners"

 * To run Typemock Isolator as part of an automated process you can:

    - run tests via TMockRunner.exe command line tool

    - use Typemock interations

For more information consult the documentation (see 'Running Unit Tests in an Automated Build')

 * Test Runner is not recognized please consult the documentation 'Extending Isolator Configuration' and report to Typemock support

  Source=Typemock.ArrangeActAssert

  StackTrace:

   at _BKjczLvozy6B5vaP8ZJGqOC6Ioq._9q2gMbL84pPX5EOxxG4l7eITcmj._vSYo4SXuViQE0DBLdeidpBPcwvg(Boolean , String )

   at _BKjczLvozy6B5vaP8ZJGqOC6Ioq._9q2gMbL84pPX5EOxxG4l7eITcmj._HSaXpAvK8MRqeZGT91qaH5YSW3h()

   at _BKjczLvozy6B5vaP8ZJGqOC6Ioq._9q2gMbL84pPX5EOxxG4l7eITcmj._UY389PAEGGcUDwfMga2bACoCNfe()

   at TypeMock.MockManager.Init(Boolean collectAllCalls)

   at TypeMock.MockManager.Init()

   at _424roPpdMPuxkLeBFNsMTA9pCvZ._iowrZbV7f52p8H4Tlbalt62DzrG.CreateFakeInstance[T](Members behavior, Constructor constructorFlag, Constructor baseConstructorFlag, Type baseType, Object[] ctorArgs)

   at _424roPpdMPuxkLeBFNsMTA9pCvZ._iowrZbV7f52p8H4Tlbalt62DzrG.Instance[T](Members behavior, ConstructorWillBe constructorBehavior)

   at _424roPpdMPuxkLeBFNsMTA9pCvZ._iowrZbV7f52p8H4Tlbalt62DzrG.AllInstances[T](Members behavior, ConstructorWillBe constructorBehavior)

   at _424roPpdMPuxkLeBFNsMTA9pCvZ._iowrZbV7f52p8H4Tlbalt62DzrG.AllInstances[T](Members behavior)

   at _424roPpdMPuxkLeBFNsMTA9pCvZ._iowrZbV7f52p8H4Tlbalt62DzrG.AllInstances[T]()

   at NUnitTestProject1.Tests.MyTest() in C:UsersUsersource eposNUnitTestProject1NUnitTestProject1UnitTest1.cs:line 25

PLease let me know what should i do to resolve this issue