phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '26a488d2a7561e0b97ba78cc1575528b' 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 ('26a488d2a7561e0b97ba78cc1575528b', -1, 1771133356, 1771133356, 'd849d8d0', 38, 0, 0)

Line : 188
File : sessions.php