phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '5af8a1d57f600a63ea94348f56160846' 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 ('5af8a1d57f600a63ea94348f56160846', -1, 1711707897, 1711707897, '6b1589b8', -4, 0, 0)

Line : 187
File : sessions.php