phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4037aff3fd85ccade6a306c4e5300652' 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 ('4037aff3fd85ccade6a306c4e5300652', -1, 1769549937, 1769549937, 'd849d8d0', 5, 0, 0)

Line : 187
File : sessions.php