Error with Spaminator

I was very excited with the release of WP 1.5 to find out that I could set it up so only registered users on my site could post comments, and enabled this feature as soon as I had the upgrade installed and working. I’ve also got it setup so that only I can setup user accounts, and loaded a contact form for people to contact me about getting a login. I figured that by doing both of these things, I wouldn’t have to worry anymore about the copious amounts of comment spam I had been getting, but I was wrong. Somehow the spammers were still getting their comments up, so I went ahead and installed Kitten’s Spaminator.

I had been told by some of the users of my site that they were getting the following error message when they tried to post a comment:

Warning: parse_url(https://): Unable to parse url in /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php on line 355

Warning: Cannot modify header information – headers already sent by (output started at /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php:355) in /home/guttedca/public_html/blog/wp-comments-post.php on line 44

Warning: Cannot modify header information – headers already sent by (output started at /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php:355) in /home/guttedca/public_html/blog/wp-comments-post.php on line 45

Warning: Cannot modify header information – headers already sent by (output started at /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php:355) in /home/guttedca/public_html/blog/wp-comments-post.php on line 46

Warning: Cannot modify header information – headers already sent by (output started at /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php:355) in /home/guttedca/public_html/blog/wp-comments-post.php on line 48

Warning: Cannot modify header information – headers already sent by (output started at /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php:355) in /home/guttedca/public_html/blog/wp-comments-post.php on line 49

Warning: Cannot modify header information – headers already sent by (output started at /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php:355) in /home/guttedca/public_html/blog/wp-comments-post.php on line 50

Warning: Cannot modify header information – headers already sent by (output started at /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php:355) in /home/guttedca/public_html/blog/wp-comments-post.php on line 51

Warning: Cannot modify header information – headers already sent by (output started at /home/guttedca/public_html/blog/wp-content/plugins/kittens-spaminator.php:355) in /home/guttedca/public_html/blog/wp-comments-post.php on line 55

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I hadn’t ever received this error, but heard from more and more people that they were getting it. I did some playing around and figured out that if the user doesn’t have a URI listed in their account details, they get this error when posting a comment. If a URI is present, there’s no error. Can anyone tell me what I need to do to stop the error without requiring users to have URI’s in their profile. For the time being I’ll just put in a bogus URI for those users that have chosen not to provide one, but I’d like to avoid having to do that with future users. Thanks in advance for your help.