phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '906a762abf0c2dae4b439d9c4d01d048' 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 ('906a762abf0c2dae4b439d9c4d01d048', -1, 1766229121, 1766229121, 'd849d883', -9, 0, 0)

Line : 187
File : sessions.php