用pb连数据库提示如下错误：unable to load the requested database interface.plesase make sure both the interface and client software are properly insta？是什么问题？重装PB后问题还在。
PB新大陆星POS扫码支付源码，调用C#动态库，简单实现接口，采用POWERBUILDER9.0开发
string ls_url
string ls_data
string ls_dd
string ls_zfqd
//【交易类型--传入平台用】
if rb_1.checked = true then
ls_zfqd = "WXPAY"
end if
if rb_2.checked = true then
ls_zfqd = "ALIPAY"
end if
if rb_3.checked =
