Error message when deploying an IAL

Hello IFS super brains,

When I run the following code in PLSQL developer, I have no problems.  When I try to deploy the IAL, I am getting the following error.

select
ro.rental_no, 
case 
when ro.RENTAL_TYPE = 'Customer Order'
and ro.contract In ( 'CPH','CTM','VMS')
then 'Internal' 
when ro.RENTAL_TYPE = 'Project'
and ro.contract = 'CPH'
then 'Internal' 
when ro.RENTAL_TYPE = 'Purchase Order'
and ro.party_id Not In  ( 'CPH','CTM','VMS')
then 'External' 
end Hire_Type,
NULL order_ref1 ,
NULL order_ref2 , 
NULL order_ref3 , 
NULL order_ref4 , 
coj.order_no as Cust_order_no,
coj.line_no as Cust_line_no,
coj.rel_no as Cust_Rel_no,
coj.line_item_no as Cust_line_item_no,
DECODE(coj.CATALOG_TYPE_DB, 'INV', coj.QTY_SHIPPED, NULL) as Cust_logistics_qty,
&AO..CUSTOMER_ORDER_API.Get_State(coj.order_no) as CO_STATE,
ril.Location_NO,
ro.contract as site,
ro.part_no,
 '' Location, 
'' WAREHOUSE, 
ro.part_description,
ro.party_id as customer_id,
ro.party_name as customer_name,
NULL as supplier_id, 
NULL as supplier_name, 
&AO..INVENTORY_PART_API.Get_Accounting_Group(ro.contract,ro.part_no) AS ACC_GROUP,
&AO..Accounting_Group_API.Get_Description(&AO..INVENTORY_PART_API.Get_Accounting_Group(ro.contract,ro.part_no)) AS ACC_GROUP_DESC,
&AO..INVENTORY_PART_API.Get_Part_Product_Family(ro.contract,ro.part_no) AS PRODUCT_FAMILY,
&AO..Inventory_Product_Family_API.Get_Description(&AO..INVENTORY_PART_API.Get_Part_Product_Family(ro.contract,ro.part_no)) AS PRODUCT_FAMILY_DESC,
ro.rental_type,
cf$_project  as project_id ,
&AO..PROJECT_API.Get_Program_Id(cf$_project) as Program_ID,
&AO..PROJECT_PROGRAM_GLOBAL_API.Get_Description(&AO..PROJECT_API.Get_Program_Id(cf$_project)) as Program_DESC,
&AO..PROJECT_API.Get_Category1_Id(cf$_project) as CATEGORY_1,
&AO..PROJECT_CATEGORY1_GLOBAL_API.Get_Description(&AO..PROJECT_API.Get_Category1_Id(cf$_project)) AS CATEGORY_1_DESC,
&AO..PROJECT_API.Get_Category2_Id(cf$_project) as CATEGORY_2,
&AO..PROJECT_CATEGORY2_GLOBAL_API.Get_Description(&AO..PROJECT_API.Get_Category2_Id(cf$_project)) AS CATEGORY_2_DESC,
cf$_activity_seq as activity_seq ,
&AO..activity_api.get_short_name(cf$_activity_Seq) as activity_short_name,
&AO..activity_api.Get_Activity_No(cf$_activity_Seq) as activity_id,
&AO..activity_api.Get_Description(cf$_activity_Seq) as activity_description,
ro.matr_seq_no,
ro.planned_rental_duration,
eh.RENTAL_DATE as Rental_Start_Date,
ro.planned_rental_end_date as planned_rental_end_date,
ro.planned_rental_return_date as planned_rental_return_date,
ro.planned_rental_qty,
ro.rental_duration_unit_meas,
ro.on_rental_qty as Qty_On_Hire,
ro.logistics_qty,
ro.unit_meas,
ROUND(eh.PRICE_CURR,2) as daliy_rate,
trunc(TO_DATE(sysdate, 'DD-MON-YY') - TO_DATE(eh.RENTAL_DATE, 'DD-MON-YY')) as DAYS_ON_HIRE,
ROUND(eh.PRICE_CURR_INCL_TAX,2) as daliy_rate_incl_tax,
ro.conv_factor,
ro.chargeable_id,
&AO..Customer_Order_line_CFP.Get_Cf$_Exception_Id (
&AO..Customer_Order_line_CFP.Get_Objkey(coj.order_no , coj.line_no, coj.rel_no, coj.line_item_no)) as exception_id ,
ro.trans_schedule_id,
ro.discount,
ro.supply_demand_code_db,
ro.header_status,
ro.created_by,
ro.created_date,
ro.ancillary,
Case When ro.contract = 'CTM' then '519' When ro.contract = 'VMS' Then '530' else  cc.code_part_value End  as cost_centre, 
ro.c_serial_no,    
ro.c_lot_batch_no,
&AO..PURCHASE_ORDER_LINE_API.Get_Requisition_No(ro.order_ref1,ro.order_ref2,ro.order_ref3) as Req_No,
&AO..Customer_Order_API.Get_C_Depot(ro.order_ref1) as Depot_Assigned,
eh.RE_ID as Rental_Event_ID,
&AO..Customer_Info_Address_API.Get_Address1(po.customer_no , po.ship_addr_no ) address_1,
&AO..Customer_Info_Address_API.Get_Address2(po.customer_no , po.ship_addr_no ) address_2,
&AO..Customer_Info_Address_API.Get_Address3(po.customer_no , po.ship_addr_no ) address_3,
&AO..Customer_Info_Address_API.Get_Address4(po.customer_no , po.ship_addr_no ) address_4,
&AO..Customer_Info_Address_API.Get_Address5(po.customer_no , po.ship_addr_no ) address_5, '' address_6,
&AO..Customer_Info_Address_API.Get_city(po.customer_no , po.ship_addr_no ) city,
&AO..Customer_Info_Address_API.Get_county(po.customer_no , po.ship_addr_no ) county,
&AO..Customer_Info_Address_API.Get_zip_code(po.customer_no , po.ship_addr_no ) postcode,
&AO..ISO_COUNTRY_API.Get_Description(po.COUNTRY_CODE) as Country,
  (select ec.cf$_def_proj_act_seq
   from &IAL..employee_cache ec
   where ec.emp_no = &AO..activity_api.Get_Activity_No(cf$_activity_Seq) 
   and ec.EMP_STATUS = 'ACTIVE') as emp_def_activity_seq 
FROM &AO..rental_object_uiv RO 
LEFT OUTER JOIN &IAL..Event_History_Max_Re_Id eh On eh.rental_no = ro.rental_no 
LEFT OUTER JOIN &IAL..Part_Product_Location_bm ppl   ON ppl.PART_NO = ro.part_no   AND ppl.serial_no =  eh.serial_no
LEFT OUTER JOIN &AO..CUSTOMER_ORDER po ON ro.order_ref1 = po.ORDER_NO
LEFT OUTER JOIN &AO..Receipt_Inv_Location ril  
ON ro.order_ref1 = ril.source_ref1  
and ro.order_ref2 = ril.source_ref2  
and ro.order_ref3 = ril.source_ref3  
AND ro.activity_seq = ril.activity_seq
  and ro.contract = ril.contract
  LEFT OUTER JOIN &AO..CUSTOMER_ORDER_JOIN_CFV COJ
  ON ro.order_ref1 = COJ.order_no
  AND ro.order_ref2 = COJ.line_no
  AND ro.order_ref3 = COJ.rel_no
Left Outer Join
  (select control_type_value, spec_control_type_value, code_part_value 
    from &AO..POSTING_CTRL_DETAIL_SPEC
    where company = '105' and posting_type = 'M231' and code_part='B' and control_type_value = 'CPH'
   ) CC On CC.spec_control_type_value =&AO..sales_part_api.Get_Catalog_Group(coj.contract, coj.Catalog_no)
where ro.primary_rental_no = ro.rental_no
and ro.on_rental_qty > 0
and (CASE   WHEN ro.rental_type = 'Project'
    AND ro.CONTRACT = 'CPH' THEN 'A'
    WHEN ro.rental_type = 'Customer Order' then 'A'
      Else 'B' End ) = 'A'

  Can anyone advise what the issue may be please.