phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '0f9b7da28b2c2f43fb30576898506706' 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 ('0f9b7da28b2c2f43fb30576898506706', -1, 1762321921, 1762321921, 'd849d8d1', -4, 0, 0)

Line : 187
File : sessions.php