phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a4c16aea16d531ebf5a0fd8c93c17dcd' 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 ('a4c16aea16d531ebf5a0fd8c93c17dcd', -1, 1715891946, 1715891946, '03858b69', 0, 0, 0)

Line : 187
File : sessions.php