phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a00a43f6dd19453c44f53cd55feea9e8' 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 ('a00a43f6dd19453c44f53cd55feea9e8', -1, 1771939631, 1771939631, '00000000', 18, 0, 0)

Line : 187
File : sessions.php