phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a4dc799acfd8a66fe36249361c96af4c' 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 ('a4dc799acfd8a66fe36249361c96af4c', -1, 1714236250, 1714236250, '03913aa9', 15, 0, 0)

Line : 187
File : sessions.php