Scan error

HI I am looking at an old program that bombed getting this error: I am
not seeing what is wrong.

 

 Message ID . . . . . . :   RNX0100       Severity . . . . . . . :   50


Message type . . . . . :   Diagnostic


Date sent  . . . . . . :   02/21/07      Time sent  . . . . . . :
14:17:34   

 


Message . . . . :   Length or start position is out of range for the
string    

  operation.


Cause . . . . . :   One of the following has occurred in RPG procedure


  XXin program LIB/XX                                          

  - A numeric length or start position is less than 1 or too large for
the     

    string operation.


  - The search-argument parameter of the %SCAN built-in function has
zero      

    length or is longer than the source-string parameter.


  - The maximum-length parameter of the %STR built-in function is not a
value  

    between 1 and the maximum size of a character field.


Recovery  . . . :   Contact the person responsible for program
maintenance to  

  determine the cause of the problem.


 

The actual statements:

 

c                   eval      a = j + 10                          

 c     '0'           scan      alphc:a       fl1               2 0

 

I'd appreciate any thoughts on this one,


TIA, Phil


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