phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b539772087a9f4159ab7c590c0bcb025' 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 ('b539772087a9f4159ab7c590c0bcb025', -1, 1767415532, 1767415532, 'd849d819', -9, 0, 0)

Line : 187
File : sessions.php