phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '975ee92bbd6f2da64e36c23e0b82ef36' 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 ('975ee92bbd6f2da64e36c23e0b82ef36', -1, 1784046223, 1784046223, 'd849d94b', -4, 0, 0)

Line : 187
File : sessions.php