EBS Service Contracts Billing Analyzer Report issue

The signature for the "Receivables Interface Lines" section is:

SELECT RA.ORG_ID,
       RA.INTERFACE_LINE_ID,
       RA.INTERFACE_LINE_ATTRIBUTE1 CONTRACT_NUMBER,
       RA.INTERFACE_LINE_ATTRIBUTE2 CONTRACT_NUMBER_MODIFIER,
       RA.SALES_ORDER_LINE LINE,
       RA.INTERFACE_LINE_ATTRIBUTE9 LINE_TYPE,
       RA.INTERFACE_LINE_ATTRIBUTE4 BILL_FROM,
       RA.INTERFACE_LINE_ATTRIBUTE5 BILL_TO,
       RA.AMOUNT,
       RA.TRX_DATE,
       RA.GL_DATE,
       RA.RULE_START_DATE
  FROM RA_INTERFACE_LINES_ALL RA,
       OKC_K_HEADERS_ALL_B OKHB
 WHERE OKHB.ID =