The error below occurs when there are simultaneous modifications to the same data by two users.
To resolve this error, please cancel the changes made and refresh the screen by using the F5 button on the keyboard or clicking the 
icon on the top toolbar.
Capture the information again and save. 
The following shortcuts are useful:
Crtl + S saves data.
Crtl + ENTER saves data and closes the tab you are working on.