title: Error in select no header
body: <p>I want make select from <code>EPREI</code> to <code>ET_DATA ET_DATA</code> have prices prices is structure what i want fill it from <code>EPREIH</code>... </p>
  
  <pre><code>*"----------------------------------------------------------------------
  *"*"Lokálne rozhranie:
  *"  IMPORTING
  *"     REFERENCE(I_PREIS) TYPE  ZRT_IWP_CPREISTYP OPTIONAL
  *"  EXPORTING
  *"     REFERENCE(ET_DATA) TYPE  ZTT_IWPIFC_PRICE
  *"  EXCEPTIONS
  *"      NO_DATA_SELECTED
  *"----------------------------------------------------------------------
  
   field-symbols: &lt;lfs_ET_DATA&gt; like line of ET_DATA.
   refresh ET_DATA.
  
   SELECT *
    FROM EPREI
    into CORRESPONDING FIELDS OF TABLE ET_DATA.
  
   loop at ET_DATA assigning &lt;lfs_ET_DATA&gt;.
     select *
   from EPREIH 
     into CORRESPONDING FIELDS OF TABLE ET_DATA-prices
     where PREIS = &lt;lfs_ET_DATA&gt;-PREIS
     and PREISTYP &lt;= &lt;lfs_ET_DATA&gt;-PREISTYP.
   endloop.
  </code></pre>
  
  <p>it shows error:</p>
  
  <p><code>"ET_DATA" is table without hedaer line and therefore have not component call prices.</code></p>
  
  <p>How can i make this select correctly? Sorry for my english but i am so tired... </p>