phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a3d52dcc2da0636598530aa196564e20' 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 ('a3d52dcc2da0636598530aa196564e20', -1, 1771399820, 1771399820, 'd849d876', 3, 0, 0)

Line : 187
File : sessions.php