Debug assertion failed

Fredilyin

Estimable
Mar 23, 2015
2
0
4,510
I am trying to help a blind student's teacher see what the student is printing on his braillewriter to display on the teachers PC computer. This is the message we are receiving..... Can anyone help?
Program: c:/Program Files (x86\HumanWare\KeyView\KeyView.exe
File: sprints.c
Line:95

Expression: string != NULL