phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '44302c9edb735b89583253bdd5ae5a38' 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 ('44302c9edb735b89583253bdd5ae5a38', -1, 1502941410, 1502941410, '3651471f', -9, 0, 0)

Line : 187
File : sessions.php