More memory was required than is available. To correct this:
  - Exit QBasic and reduce the number of DOS buffers, memory
    resident programs, or loaded device drivers. Then
    reboot your computer.
  - Make your program smaller.
  - Reduce the number or size of arrays.
  - Reduce the stack size by using the CLEAR statement.
  - Reduce the number of variables.
 
ERR code: 7