phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4978c239b879ec7547e4ad82d8e88039' 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 ('4978c239b879ec7547e4ad82d8e88039', -1, 1714288236, 1714288236, '0389aab7', 71, 0, 0)

Line : 187
File : sessions.php