这个错误是什么意思，谁帮忙看看

[xeimm]

php 使用 nusoap 调用 java的 webservice 调用以后，看调式信息有这样的反馈。 服务器上好像是获得不了参数。

2007-03-30 11:59:04.945439 wsdl: in serializeType: uqType: registerUser, ns: http://business.web.shangdu.com, phptype: struct, arrayType:
2007-03-30 11:59:04.945528 wsdl: in serializeType: phpType is struct, but value is not an array
2007-03-30 11:59:04.945600 wsdl: in serializeType: returning:
2007-03-30 11:59:04.945678 wsdl: serializeRPCParameters returning:
2007-03-30 11:59:04.945824 soapclient: got wsdl error: phpType is struct, but value is not an array: see debug output for details