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SecondID PatelSecondID Patel 

I am trying to pass the challenge of trailhead in which apex code is given and i have to set the line no. 13 as checkpoint.After I execute the code checkpoint log is not available.

NagendraNagendra (Salesforce Developers) 
Hi Patel,

Sorry for this issue you are facing.

May I suggest you please follow the below steps using which I have cleared the challenge.

Please select "checkpoints" in the developer console.check the screenshot provided below.
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1.Set a checkpoint on line 13 of the EmailMissionSpecialist class.
2.Use Execute Anonymous to execute the EmailMissionSpecialist Apex class, using your email address.please check the below screen shot.
User-added image 3.now execute the code which has written in an anonymous window.select the checkpoints Tab and observe
successfully the checkpoint results and see the values of the objects in memory.please check the below screen shot successfully completed the challenge.
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Note: I think the line 13 code is distributed across 13 and 14. Making them appear on single line did the trick for me.

Hope this helps.

Kindly mark this as solved if the reply was helpful.

Thanks,
Nagendra
SecondID PatelSecondID Patel
I already did as you explained here. But the problem is that I am unable to see the log Executable log under checkpoint tab.

User-added image

See this screenshot. Please suggest some handy solutions.
 
Ryan FRyan F
Patel, I had the same trouble just now...finally got it working.

Try:  Test -> Clear Test Data

After I did that, it suddenly started working. Good Luck!