3388577 - Error "You are trying to modify multiple records with the same keys (user-id , start-date , seq-number)." shown when terminating the manager

When trying to terminate the manager the system is throwing an error message appears: 

“You are trying to modify multiple records with the same keys (user-id , start-date , seq-number). Please review the data and try again.
The operation could not be performed because there were errors with other records reported.”

SAP SuccessFactors Employee Central - Employee Termination 

1. Navigate to Employee Profile.
2. Click on Take Action > Terminate.
3. Fill all the relevant details.
4. Click on Save.
5. Error message “You are trying to modify multiple records with the same keys (user-id , start-date , seq-number). Please review the data and try again. The operation could not be performed because there were errors with other records reported.”. 

Error is caused due to some of the Direct Reports have overlapping time slices in Job Information. Therefore, manage direct reports cannot take place and an error message is shown, when trying to terminate the manager.

• We need to correct all inconsistent end dates for Job Information of Direct Reports via Quick Fix Option.
• To fix the overlapping time slice issue, we have to use the quick fix option in Check tool. For errors in Check Tool, the Check Tool provides a guidance how to fix the errors. 

Using the Check Tool to Solve Issues | SAP Help Portal

INC5874211, termination, manager, direct reports, you are trying to modify multiple records with the same keys (user-id , start-date , seq-number). Please review the data and try again, the operation could not be performed because there were errors with other records reported, terminate, supervisor, check tool, quick fix, end date, job information, inconsistent, overlap , KBA , LOD-SF-EC-TER , Termination Details , Problem