Capture CIS annotation功能总是出错？

 Cannot perform annotation of heterogeneous part 'D?A(Value IDT70V24L25PFI)', part has not been uniquely grouped (using a common User Property with differing Values) or the device designation has not been chosen
Done updating part references

什么意思，用annotation功能总是出错。

********************************************************************************
*
*  Performing annotation.
*
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ERROR [ANN0005]
 
 
 Cannot perform annotation of heterogeneous part 'D?A(Value IDT70V24L25PFI)', part has not been uniquely grouped (using a common User Property with differing Values) or the device designation has not been chosen
Done updating part references

呵呵...