cobol3.hlp (Topic list)
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Message RT002 (↑ RTS Messages)
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  Message:      RT002
 
  Text:         File not open when access attempted
 
  Severity:     Recoverable
 
  Explanation:  You have tried to access a file without opening it
                first.
 
  Resolution:   Open the file with the open mode that you need and try
                the operation again. As this error implies there your
                program contains a mistake in its logic, you may want to
                terminate the run and recode your program.
                                    -♦-