The title "W/index.php" has been banned from creation.
It matches the following disallowed titles list entry: (?:[^\/]+[\/:])?(?:index\.php|w\/wiki)(?:\/.+)?
The blocked proxy address was 18.226.0.0/16.
Please include all above details in any queries you make.
If you believe you were blocked by mistake, you can find additional information and instructions in the No open proxies global policy.
Otherwise, to discuss the block please post a request for review on Meta-Wiki.