phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5add77802c78aaaab4bb918cc2f2a646' 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 ('5add77802c78aaaab4bb918cc2f2a646', -1, 1766215328, 1766215328, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php