bbPress.org

Usually that is from white space at the end of a file you edited. There should be no blank lines or whitespace after the closing ?> in the config.php. Is that the problem?

Also, in your pasted config, there is no <?php – in the real file there is?

And, when you edited out the password, you accidentally removed the closing quote, right? In the real config.php the password is enclosed in single quotes?

define('BBDB_PASSWORD', 'pwpw);

^