phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a09b8ed13b2dbbf40fa60bb00c0cd586' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('a09b8ed13b2dbbf40fa60bb00c0cd586', -1, 1781356516, 1781356516, 'd849d97b', 11, 0, 0)

Line : 190
File : sessions.php