phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2bf0fb08a603fc20cb2ad486d46b23b4' 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 ('2bf0fb08a603fc20cb2ad486d46b23b4', -1, 1765566496, 1765566496, 'd849d834', -4, 0, 0)

Line : 187
File : sessions.php