Error in tree data, i use forms 6i

Question

dear sirs,
i have problem that the tree appear to me not right when the value of :v_trtype is 1 or 2
and here is the code and please anybody help me
select 1,level,location_name,decode(level,1,'OPEN',' ') v_icon,location_no
from stk_locations
where stk_no = :TRNH9.stk_no and :v_trtype = 1 connect by prior new_location_no = new_location_parent
start with new_location_parent is null
union
select 1,level, get_full_loc_name(stk_no,location_no) location_name,
decode(level,1,'OPEN',' ') v_icon,location_no
from stk_locations l
where stk_no = :TRNH9.stk_no and :v_trtype = 2
and location_no in (select location_no from stkloc_bal
where stk_no = l.stk_no
and item_no = :TRND10.item_no
union
select location_no from stkloc_bat
where stk_no = l.stk_no
and item_no = :TRND10.item_no)
connect by prior new_location_no = new_location_parent
start with location_parent is null

Answer 1

ok
my table structure is
STK_NO NOT NULL NUMBER(6)
LOCATION_NO NOT NULL VARCHAR2(100)
SEGMENT1 VARCHAR2(100)
SEGMENT2 VARCHAR2(100)
SEGMENT3 VARCHAR2(100)
SEGMENT4 VARCHAR2(100)
SEGMENT5 VARCHAR2(100)
LOCATION_TYPE VARCHAR2(50)
CREATED_BY VARCHAR2(30)
CREATED_DATE DATE
CHANGED_BY VARCHAR2(30)
CHANGED_DATE DATE
CREATE_ALPHA_USER VARCHAR2(50)
MODIFY_ALPHA_USER VARCHAR2(50)
BLOCKED NUMBER(1)
LOCATION_NAME VARCHAR2(100)
LAST_CHILD NUMBER(1)
LOCATION_PARENT VARCHAR2(100)
SEG_ID NUMBER(2)
LOC_LEVEL NUMBER(2)
INPUT_AREA NUMBER(10)
PICKING_AREA NUMBER(10)
G_HEIGHT NUMBER(15,3)
G_WIDTH NUMBER(15,3)
G_DEPTH NUMBER(15,3)
NEW_LOCATION_NO VARCHAR2(100)
NEW_LOCATION_PARENT VARCHAR2(100)
data
select select STK_NO,LOCATION_NO,LOCATION_NAME,LOCATION_PARENT
from stk_locations
STK_NO LOCATION_NO LOCATION_PARENT
1 1
1 1/1 1
1 1/1/1 1
1 1/1/1/1 1
1 2/1/1/1 1
1 2/1/1 1
1 1/2/1/1 2
1 2/2/1/1 2
1 2/1 1
1 1/2/1 2
1 1/1/2/1 1
1 2/1/2/1 1
1 2/2/1 2
1 1/2/2/1 2
1 2/2/2/1 2
1 2
1 1/2 2
1 1/1/2 1
1 1/1/1/2 1
1 2/1/1/2 1
1 2/1/2 1
1 2/2/1 2
1 1/2/2/1 2
1 2/2/2/1 2
1 2
1 1/2 2
1 1/1/2 1
1 1/1/1/2 1
1 2/1/1/2 1
1 2/1/2 1