phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5da86f6cd66f8acfc42797db1838ec35' 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 ('5da86f6cd66f8acfc42797db1838ec35', -1, 1789877813, 1789877813, 'd849d8b0', 1, 0, 0)

Line : 187
File : sessions.php