用htaccess禁止ip访问网站时出错时怎么回事

RewriteEngine On
Order deny,allow
allow from all
deny from 91.121.156.205



Internal Server Error


The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at [no address given] to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.