Calendar: multiple banners appear when creating an event

· Explanation: First, when you are on the site, click on the Calendar tool. Then it’s shown the principal menu with the different tabs of the bar, once there, you have to click on the Add tab. Inside of this tab, you have to complete the following fields to create and event on the calendar.

· Expected result: When you leave the tab, an emergent message commands you to introduce a title to the event.

· Obtained result: When you leave the tab, 2 emergent messages are shown. The first, ask you to introduce a text for empty fields. The second, shows you and alert message that ask you to fill the title.