The program you were running exceeded the DOS limit on
open files.
If you still want to run this program, do the following:
1. End your program with the Restart (SHIFT+F5)
command.
2. Exit QuickPascal.
3. Set FILES to a larger number in your CONFIG.SYS
file.
4. Reboot your machine.
5. Start QuickPascal again and try to run your
program.