year        id        q3ds（F:\stata\A1）
2006        000001        11380000
2006        000002        10160000
2006        000004        570000
2006        000005        480000
2006        000006        2055100


year        id        gsgm        zczzl(F:\stata\B1)
2006        000002        48507917571        0.367944269
2006        000004        204304637.7        0.223386987
2006        000005        1528293792        0.214659163
2006        000006        2918925351        0.429794888
2006        000007        805877586.4        0.240411026
我想把这两个表合并在一起，用了这个
use F:\Stata12\A1.dta, clear
merge 1:1 id using F:\Stata12\B1.dta
但是一直合并不了  而且还会冒出好几个id000001、000002
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[P]     error . . . . . . . . . . . . . . . . . . . . . . . .  Return code 459
        something that should be true of your data is not;
        data have changed since estimation;
        This is the generic form of this message; more likely, you
        will see messages such as "y must be between 0 and 1" or
        "x not positive".  You have attempted to do something that,
        given your data, does not make sense.

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求帮忙，期末作业，崩溃了，感谢