phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '075f9f8672f621a3d6ceed753bbb9061' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('075f9f8672f621a3d6ceed753bbb9061', -1, 1409569893, 1409569893, '36a65435', -1, 0, 0)

Line : 187
File : sessions.php