By this notice, any duplicate submission could be prohibited.
Any word similarity between 2 or more article titles shows this notice. If an author tries to submit a repeated title (duplicate submission), then this notice (like a barrier) warns him/her about all similar articles already submitted by him/her.
How titles will be checked in submission?
During the submission process, when an author types the title in title box, s/he is able to see the similar titles submitted by him/her.
Afterwards, there will be 2 options: