phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c9f76fe3547d2497d2b7e7164d9dc5a3' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c9f76fe3547d2497d2b7e7164d9dc5a3', -1, 1714324110, 1714324110, '0386765f', 5, 0, 0)

Line : 187
File : sessions.php