phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '755af50f80c1ebb804f86020c92a3fe1' for key 'PRIMARY'

INSERT INTO oldforum_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('755af50f80c1ebb804f86020c92a3fe1', -1, 1752434736, 1752434736, 'd849d8a3', -9, 0, 0)

Line : 187
File : sessions.php