phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ac221736aca52100fc299ae89c0f2ff5' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ac221736aca52100fc299ae89c0f2ff5', -1, 1715814894, 1715814894, '0389ada8', 0, 0, 0)

Line : 187
File : sessions.php