phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'd978852a14d7b77f8908f4a47d3d8ac4' 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 ('d978852a14d7b77f8908f4a47d3d8ac4', -1, 1714398970, 1714398970, 'c0a80201', -11, 0, 0)

Line : 187
File : sessions.php