phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '9961af4a992191d1f7097d9661dd1a2b' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9961af4a992191d1f7097d9661dd1a2b', -1, 1715038463, 1715038463, 'c0a80201', -2, 0, 0)

Line : 187
File : sessions.php