phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6a561c7d8321914d2543a6764fea2d48' 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 ('6a561c7d8321914d2543a6764fea2d48', -1, 1756698071, 1756698071, 'd849d817', 17, 0, 0)

Line : 187
File : sessions.php