phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd4c9a18ca913968d32b062897989042b' 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 ('d4c9a18ca913968d32b062897989042b', -1, 1715315577, 1715315577, '12df979e', -1, 0, 0)

Line : 187
File : sessions.php