phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ddbf4be600a289421575fe4fbec3d416' 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 ('ddbf4be600a289421575fe4fbec3d416', -1, 1753400167, 1753400167, 'd849d901', -9, 0, 0)

Line : 187
File : sessions.php