Okay, I figured this out. I have a profiles being blocked in the same way as links, which was requiring at least 10 posts and 7 days since registration for one to be no longer considered new. You were being blocked because you have only been registered for 5 days.
I have now edited this to only require 3 days of membership (in addition to 10 posts) before being able to post links and add a profile. I believe 3 days is almost just as effective at stopping the many hit-and-run spammers. I have also edited the error message that is generated to more clearly state that a person needs to have been registered for 3 days in addition to having the required number of posts to help avoid confusion in the future with other. But that is moot for you as you should now be able to add a profile since you meet the new requirements. Please let me know if you are still not able to do this as that would be in error.
Thanks and sorry for any inconvenience,
Online Book Club
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