Com.sap.ecommerce.boi.loyalty.LoyaltyUserBackend Indirect reference issue

Question

Hi All,
I have some issue when I am customizing SAP CRM 7 application. There I have extend
com.sap.isa.businessobject.User
  class and create custom Z_User class. 
But  I got following message in my custom class after extend User class.
This compilation unit indirectly references  the missing type com.sap.ecommerce.boi.loyalty.LoyaltyUserBackend (typically  some required  class  file is referencing  a type outside  the class path )
Can anybody to help me to solve this issue?
Thank You
Edited by: Chandana Napagoda on Oct 21, 2011 10:35 AM

Answer 1

Hi,
      I am sending only answers.If wrong pls correct me.
1.A,C
2.C
3.A,B,D,E
4.ACE
5.ABCD
6.B
7.BE
8.ALL
9.ABC
10.ABCDE
11.A
12.ABCD
13.E
14.BC
15.ALL
16.ABC
17.ACD
18.AC
19.B
20.ACDE
21.DE
22.B
23.ABCD
24.CD
25.C
26.BDE
27.BCE
28.C
29.CDE
30.BCDE
31.BDE
32.A
33.B
34.ALL
35.ABC
36.ALL
37.ABC
38.A
39.ACDE
40.AB
41.ABE
42.CD
43.ABCE
44.CD
45.ACDE
46.BD
47.AC
48.CD
                     I have sent answers for the questions.If any answer is wrong pls correct me.
Assign points if useful
Regards,
S.VINAYA KUMAR