Error : ERR_* = . ..

Call SqlSeries (
                 Debit   <
                           CID : Sender,
                           Sum : Amount
                         >,
                 Credit  <
                           CID : Receiver,
                           Sum : Amount
                         >,
                 Journal < 
                           Opcode : JR_TRANSFER,
                           CID_1  : Sender, 
                           CID_2  : Receiver, 
                           Amount : _     
                         >
               )
Else (Ec, Error) 
     Log Error; Handle Ec
     ^/Error = Ec
;


If !Error then
 ...
Else
 ...
;