phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd1c9d16a7dde8a2c2949e14b4c22ef0f' 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 ('d1c9d16a7dde8a2c2949e14b4c22ef0f', -1, 1714799483, 1714799483, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php