I cannot to open my yahoo email account, please help me, my ID is rumaizputtalam@yahoo.com?

Hi, was tried in this morning to open my email account but its not open, I do not know whay? My id is: rumaizputtalam@yahoo.com. Please tray to help me short out this problem. There are very important emails and documents are. I hopefully expecting your favourable response. With best regards, Rumaiz Sri Lanka