Question that needs answers...

Hi I don't know what this error means...especially the IPv4 or IPv6 addresses. What are those? What are the common problems why those errors exist?

Warning: Address is not a valid IPv4 or IPv6 address in /home/handa/public_html/oekaki2/functions.php on line 37

*functions.php line 37 says: $hostname = gethostbyaddr($REMOTE_ADDR);

Anyone have any ideas?

 

 

 

 

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