Unable to send PM

[NomNamNom]

Hello. I haven't used this account in a while and just tried to send someone a PM for their WTB ad. When attempting to PM, I got this:

You do not have permission to access this page. This could be due to one of several reasons:

1. Your user account may not have sufficient privileges to access this page. Are you trying to edit someone else's post, access administrative features or some other privileged system?
2. If you are trying to post, the administrator may have disabled your account, or it may be awaiting activation.

I had seen someone else having this issue, but I thought I already met the requirements since I had no issues before. If you can let me know what I can do, that'd be great!

Thanks,

-Nam

edit: Just got home from work and it is working again.