phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a1c5bdc0731f7950bc433f4a7d08e8bf' 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 ('a1c5bdc0731f7950bc433f4a7d08e8bf', -1, 1715061723, 1715061723, '1276ab14', -4, 0, 0)

Line : 187
File : sessions.php