phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9ef93a59cf9b2a954c04b31c726f827' 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 ('c9ef93a59cf9b2a954c04b31c726f827', -1, 1714276624, 1714276624, 'c0a80201', -11, 0, 0)

Line : 187
File : sessions.php