phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '1f9615d39c0b46d463f2a1cf42f823f5' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('1f9615d39c0b46d463f2a1cf42f823f5', -1, 1495466811, 1495466811, '36e002ba', 26, 0, 0)

Line : 187
File : sessions.php