phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4879315920088140b2c132a2c2e1734f' 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 ('4879315920088140b2c132a2c2e1734f', -1, 1715902027, 1715902027, '0393670f', 0, 0, 0)

Line : 187
File : sessions.php