phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'e8a1b77e9dc9314d49c81c3ab43f1ca5' 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 ('e8a1b77e9dc9314d49c81c3ab43f1ca5', -1, 1769672572, 1769672572, 'd849d853', -4, 0, 0)

Line : 187
File : sessions.php