phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'afc78f9ce1f847093bcb6278727503be' 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 ('afc78f9ce1f847093bcb6278727503be', -1, 1752772804, 1752772804, 'd849d8a9', -4, 0, 0)

Line : 215
File : sessions.php