phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f15aa86e6577e68a91b9a4acc9a90a5f' 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 ('f15aa86e6577e68a91b9a4acc9a90a5f', -1, 1714355374, 1714355374, '12d9d293', -4, 0, 0)

Line : 187
File : sessions.php