phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd1822536b49aed48fdd0fd186f9d3885' 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 ('d1822536b49aed48fdd0fd186f9d3885', -1, 1769979820, 1769979820, 'd849d802', -9, 0, 0)

Line : 187
File : sessions.php