为什么我在Perl中得到了“匿名散列”警告中的“奇数个元素”?

Help, I'm trying to create a new post in my wordpress blog with custom fields using the following perl script using metaweblogAPI over XMLRPC, but there seems to be an issue with the custom fields. Only the second custom field (width) ever seems to get posted. Can't get the "height" to publish properly. When I add another field, I get the "Odd number of elements in anonymous hash" error. This has got to be something simple - would someone kindly sanity check my syntax? Thanks.Help, I'm trying to create a new post in my wor