Plugin causing two problems — can NOT log in via wp-login.php & “extra white sp

Good morning,

I’ve been using the plugin for a little while, and recently I’ve been having some issues I can’t resolve. Occasionally (no clue what causes it) I can not log into the WordPress site. AS SOON AS I FTP in and rename the plugin folder (anything) I can log in, then I just rename it back, activate it, and it’s back to normal.

However, this continues to happen out of nowhere and is also causing issues with my backups. It’s creating “extra white space” that does not convert well ONLY WHEN the listing plugin is activated.

Do you have any solutions for this? Has this happened before? I have NO clue why it’s happening with this plugin only, but I’ve tried deleting/reinstalling to no avail. I don’t know what else to do besides give up on the plugin (not what I want).

~Thank you,

The page I need help with: [log in to see the link]