phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c84f30c15cbaad174732dc308c121e0d' 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 ('c84f30c15cbaad174732dc308c121e0d', -1, 1715905122, 1715905122, '03813f72', -1, 0, 0)

Line : 187
File : sessions.php