phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b96351b267f168c75523ed6cbca90980' 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 ('b96351b267f168c75523ed6cbca90980', -1, 1770249778, 1770249778, 'd849d88e', -9, 0, 0)

Line : 248
File : sessions.php