1062 Duplicate entry '0' for key 3 (whos_online)

1062 Duplicate entry '0' for key 3
in:
[insert into zen_whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url, host_address, user_agent) values ('0', '¥Guest', '499a97b48433b64353fbf1c68e6f1e95', '96.247.141.156', '1237241458', '1237241458', '/', 'pool-96-247-141-156.altnpa.east.verizon.net', 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)')]

What does that mean i just noticed it and haven't been doing anything to the website. Why did this all of a sudden show up??

Have a look at the similar threads at the bottom of this posting

yes it is already been taking care of thanks for the post