phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a2c311966a2d403b7c6ed232e428c8a7' 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 ('a2c311966a2d403b7c6ed232e428c8a7', -1, 1715777170, 1715777170, '038a7432', 0, 0, 0)

Line : 187
File : sessions.php