我在运行：COMPUTE cir_f=(foods/lag(foods))*100.
　　　　　COMPUTE fix_f=(foods/181.25)*100.
　　　　　COMPUTE Icir_f=cir_f-100.
　　　　　COMPUTE Ifix_f=fix_f-100.
　　　　　EXECUTE.

后，产生>Error # 4285 in column 16. Text: foods
>Undefined error #4285 - Cannot open text file "D:\Program Files\SPSS\en\windows\spss.err": No such file or directory
>This command not executed.

>Error # 4285 in column 16. Text: foods
>Undefined error #4285 - Cannot open text file "D:\Program Files\SPSS\en\windows\spss.err": No such file or directory
>This command not executed.

找不到　spss\en\windows\spss.err　　是怎么回事？？
>Error # 4285 in column 16. Text: cir_f
>Undefined error #4285 - Cannot open text file "D:\Program Files\SPSS\en\windows\spss.err": No such file or directory
>This command not executed.

>Error # 4285 in column 16. Text: fix_f
>Undefined error #4285 - Cannot open text file "D:\Program Files\SPSS\en\windows\spss.err": No such file or directory
>This command not executed.