phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '71ed143695efb4a1a5d776057e4c0051' 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 ('71ed143695efb4a1a5d776057e4c0051', -1, 1757908927, 1757908927, 'd849d863', -9, 0, 0)

Line : 187
File : sessions.php