R3ErrorDialog

int R3ErrorDialog(char *ok, char *fmt, ...);

ok - text for 'close button'

Don't count on this

Prints given error message and waits until user clicks 'close' button. This dialog is used for reporting fatal errors to the user. This is a low level function. Use R3Error() instead.

R3ErrorDialog("Understood", "Cannot create %d objects", 100000000);