phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7fa9bed34d5ebc976cbc5b008c851a1d' 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 ('7fa9bed34d5ebc976cbc5b008c851a1d', -1, 1763820879, 1763820879, 'd849d85b', -4, 0, 0)

Line : 215
File : sessions.php