phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '48a88f1e811460655ed288c4f963c513' 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 ('48a88f1e811460655ed288c4f963c513', -1, 1765530178, 1765530178, '0aff0001', 127, 0, 0)

Line : 199
File : sessions.php