phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '8d975697e1f66ee50b8fd04d221e92df' 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 ('8d975697e1f66ee50b8fd04d221e92df', -1, 1762646434, 1762646434, 'd849d8d3', -9, 0, 0)

Line : 187
File : sessions.php