phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '303a751335ee60a4f7fba867b58783e3' 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 ('303a751335ee60a4f7fba867b58783e3', -1, 1769571521, 1769571521, 'd849d869', 31, 0, 0)

Line : 187
File : sessions.php