The system variable VGVar.handleHardIOErrors controls whether a program continues to run after a hard error occurs on an I/O operation in a try block. The default value is 1, unless you set the program property handleHardIOErrors to no, which sets the variable to 0. (That property is also available for other generatable logic parts.) For background information, see Exception handling.
You can use VGVar.handleHardIOErrors in any of these ways:
VGVar.handleHardIOErrors = 1;
Related reference
Exception handling
System variables outside of EGL libraries