In enabling payroll, on leave page submit form of Leave Quota Allocation Setting -> Now go to detail page of company and open Leave Quota Allocation Setting. The selected option is not displayed here
-Add 2 types Earning and deduction -> Delete 2nd data from list -> Now Delete 1st and only data from list -> You will observe that last data is not deleted from list
Add Department in Structure -> The other company's Parent Departments are getting displayed in dropdown of Parent Department
In Leave section Add a leave with Enabled Carry over -> Now edit that leave and remove checkbox for Enable Carryover and save the form -> Edited leave still shows Carryover is enabled for that leave.
Solution, as soon as Add / submit Button is clicked, button should be converted to Please wait to avoid multiple click of Add / submit button. 
Attached error is displayed on loading Leave listing page
Still values of Percentage and amount is not displayed in column of % or Fixed Value Listing