As per my knowledge, you can't directly add anything in line graph itself. However, you can always use text area and add details into it.

Thank you @Krishna_Musku. @Arpit1401 Please follow the toolkits shared in thread and that will help.

Thank you @kamlesh-maddheshiya 

Yes, there is Adobe plug-in called 'getTimeToComplete', This is will help to track the time completion. Refer : https://experienceleague.adobe.com/docs/analytics/implementation/vars/plugins/gettimetocomplete.html?lang=en  

Thank you @Jennifer_Dungan 

Thank you @yuhuisg 

@nobetterdan,Please try to change the logic of segment and see if it works --Event name = event XANDError Message exists ANdEvent Y does not exist.Apply this segment on your error report. I think this logic will give the details of error of those visits where error was exist and user didn't complete...

Hello @priyankagupta20 ,You can validate the data in adobe Analytics reports. I haven't seen any debugger showing sever side beacon. We are have sever side implementation in one of our projects but till date we could not see beacon. even I am curious to know where we can see server side beacons.  

Adobe Analytics gives the 'Unspecified' value for the variable which is not defined and that particulat varibale don't have any value in an Image request.  However, request to please 1. check the metrics which you are using, as if you are seeing any variable with Visits/unique visitors metrics then ...

Ohh yes, even I noticed the same. Then only option left is to use Report builder and run the request from 50001 to remaining. Here also you will be able to get 50K rows only.