Most important diff view not available

[Gr-Nobel]

After running the code. It should show me the difference of my output to the expected output. on a problem I printed Yes. code forces was asking me to print YES. I had to go back to vs code compatitive programming helper plugin to figure out that.

[Gr-Nobel]

After phrasing the problem and solving . running the test case . Solving the problem.Let's say i forgot just a space I can't compare my test results with the expected out put.I can say it's wrong but can't see where the difference is with the expected output.

[Gr-Nobel]

can you solve it?