object query exception

Hi!

I want to query PromotionTarget objects by two parameters:

String str = obj.toString();

  HashMap<String, String> objSpec = getObjSpec(str);

  QuerySpec qs = new QuerySpec(PromotionTarget.class);

  qs.setAdvancedQueryEnabled (true);

  SearchCondition sc1 = new SearchCondition(PromotionTarget.class, "roleBObjectRef.key.classname", SearchCondition.EQUAL, objSpec.get("objClass"));

  qs.appendWhere(sc1, new int[]{0});

  qs.appendAnd();

  SearchCondition sc2 = new SearchCondition(PromotionTarget.class, "roleBObjectRef.key.id", SearchCondition.EQUAL, Long.getLong(objSpec.get("objId")));

  qs.appendWhere(sc2, new int[]{0});

  QueryResult qr =  PersistenceHelper.manager.find(qs);

  Persistable[] per = null;

  while (qr.hasMoreElements())

  {

  per = (Persistable[])qr.nextElement();

  list.add((PromotionTarget)per[0]);

  }

But I have an exception like this:

wt.pom.DatastoreException: Ошибка SQL при выполнении инструкции "SELECT 'wt.maturity.PromotionTarget',A0.createLCTemplateIsNull,A0.classnamekeyA6,A0.idA3A6,A0.createState,A0.description,A0.classnamekeyroleAObjectRef,A0.idA3A5,A0.classnamekeyroleBObjectRef,A0.idA3B5,CONVERT(varchar,A0.createStampA2,120),A0.markForDeleteA2,CONVERT(varchar,A0.modifyStampA2,120),A0.idA2A2,A0.updateCountA2,CONVERT(varchar,A0.updateStampA2,120) FROM PromotionTarget A0 WHERE ((A0.classnamekeyroleBObjectRef = ?) AND (A0.idA3B5 = )) AND (A0.markForDeleteA2 = 0); Bind Parameters=[wt.doc.WTDocument]". Сообщение системы базы данных:

2015-11-13 16:31:16,075 INFO  [ajp-bio-8010-exec-4] wt.system.out nadmin - Вложенное исключение: com.microsoft.sqlserver.jdbc.SQLServerException: Incorrect syntax near ')'.