phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'de419b62f44dc04f3a70449ac777893d' 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 ('de419b62f44dc04f3a70449ac777893d', -1, 1467342665, 1467342665, '36c68a82', 23, 0, 0)

Line : 187
File : sessions.php