phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd865f79bd78e649cfa85fdabdfbb877c' 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 ('d865f79bd78e649cfa85fdabdfbb877c', -1, 1741068147, 1741068147, '03811a31', 0, 0, 0)

Line : 187
File : sessions.php