phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '769206825cae8e115bfd2eb1e2a9ca92' 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 ('769206825cae8e115bfd2eb1e2a9ca92', -1, 1767059860, 1767059860, 'd849d819', 8, 0, 0)

Line : 187
File : sessions.php