phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c1df55556ec84a221f79e39536554a01' 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 ('c1df55556ec84a221f79e39536554a01', -1, 1715876180, 1715876180, '12dbde5c', -4, 0, 0)

Line : 187
File : sessions.php