DEP设置F7黙值报错

设置F7黙认代码：
var easImporter = JavaImporter();
easImporter.importPackage(Packages.com.kingdee.bos.ctrl.extendcontrols);
easImporter.importPackage(Packages.com.kingdee.eas.basedata.scm.common);
easImporter.importPackage(Packages.com.kingdee.bos.util);
easImporter.importPackage(Packages.com.kingdee.eas.basedata.assistant);
with(easImporter){
var prmtCurrency =pluginCtx.getKDBizPromptBox("prmtsupplier");
var cur = new CurrencyInfo();
cur.setId(BOSUuid.create("whWQ2D2VTJiKUdw2IDmZ1DfGffw="));
cur.setNumber("00200139");
cur.setName("上汽通用");
prmtCurrency.setValue(cur);
}
报错：

错误信息：com.kingdee.eas.basedata.assistant.CurrencyInfo cannot be cast to com.kingdee.eas.basedata.master.cssp.SupplierInfo
错误详细堆栈信息：java.lang.ClassCastException: com.kingdee.eas.basedata.assistant.CurrencyInfo cannot be cast to com.kingdee.eas.basedata.master.cssp.SupplierInfo
at: com.kingdee.eas.auto4s.vm.vp.client.AutoPurOrderEditUI.prmtsupplier_dataChanged(AutoPurOrderEditUI.java:2170)