phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cfa7c852f2e7596c84455bf9390480f8' 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 ('cfa7c852f2e7596c84455bf9390480f8', -1, 1714259391, 1714259391, '038b5217', -4, 0, 0)

Line : 187
File : sessions.php