Error 03                  File Not Open For Output                   pp 327


 Source:   IOResult

 Cause:    1)  You are attempting to use WRITE or WRITELN on a file
               before a RESET or REWRITE was issued to that file.
           2)  You are attempting to read from a text file that was
               prepared with RESET.
           3)  You are attempting to read from the KBD: device which is
               an input only device.


 ----------------------------------------------------------------------------


 Remedy:   Examine the statement ahead of the error cursor for the above
           conditions.