请问大家，
我的程式码下去执行了之后，出现了以下的错误:
forrt1: severe <29>:file not found, unit 1,file D:\FORTRAN_OUTPUT\GOLD\Au_diff
_8.dat
Image PC Routine Line Source
Au_best<new>.exe 0041AF89 Unknown Unknown Unknown
Au_best<new>.exe 0041AD17 Unknown Unknown Unknown
Au_best<new>.exe 00419FC4 Unknown Unknown Unknown
Au_best<new>.exe 0041A3F9 Unknown Unknown Unknown
Au_best<new>.exe 004131E4 Unknown Unknown Unknown
Au_best<new>.exe 00401698 Unknown Unknown Unknown
Au_best<new>.exe 00455AB9 Unknown Unknown Unknown
Au_best<new>.exe 0043AEF9 Unknown Unknown Unknown
kernel32.dll 7C81776F Unknown Unknown Unknown
Incrementally linked image