Because of your browser security settings

While data entry, a window sometime popped up with following messages:

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ begin $$$$$$$$$$$$$$$$$$$$$
Paste
Because of your browser security settings, the editor is not able to access your clipboard data security. You are required to paste it again this window.
Please paste inside the following box using the keyboard (Ctr/cmd+V) and hit OK

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ end $$$$$$$$$$$$$$$$$$$$$

Any idea!

Thanks,

NY A...