phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'aa56c0fac7a22134f059890e4c43e80f' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('aa56c0fac7a22134f059890e4c43e80f', -1, 1766569998, 1766569998, 'd849d8a2', 2, 0, 0)

Line : 187
File : sessions.php