phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '51ccb4dd663717e67fb7470f7d3edbe7' 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, is_robot) VALUES ('51ccb4dd663717e67fb7470f7d3edbe7', -1, 1743774919, 1743774919, '12bf886d', 0, 0, 0, '0')

Line : 187
File : sessions.php