phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '965c930a508ce8ab6df137cd3e320c69' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('965c930a508ce8ab6df137cd3e320c69', -1, 1769168606, 1769168606, 'd849d89a', -4, 0, 0)

Line : 187
File : sessions.php