BGA分组在ORCAD原理图中出错

由于BGA U11引脚多分成了14部分，分多次PLACE，在place过程中有修改引脚，在DRC时产生了如下问题，

Checking for Invalid References
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 02.FBA MEMORY INTERFACE (4.90, 1.90)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 05.FBC MEMORY INTERFACE (2.00, 1.90)
[DRC0026] This reference has already been assigned to a different package type. U3
S318, 06.FRAME BUFFERC (6.70, 9.90)
[DRC0026] This reference has already been assigned to a different package type. U4
S318, 06.FRAME BUFFERC (6.70, 12.50)
[DRC0026] This reference has already been assigned to a different package type. U3
S318, 06.FRAME BUFFERC (3.30, 1.50)
[DRC0026] This reference has already been assigned to a different package type. U4
S318, 06.FRAME BUFFERC (11.10, 12.40)
[DRC0026] This reference has already been assigned to a different package type. U3
S318, 06.FRAME BUFFERC (9.00, 9.90)
[DRC0026] This reference has already been assigned to a different package type. U4
S318, 06.FRAME BUFFERC (9.00, 12.50)
[DRC0026] This reference has already been assigned to a different package type. U3
S318, 06.FRAME BUFFERC (4.70, 10.00)
[DRC0026] This reference has already been assigned to a different package type. U4
S318, 06.FRAME BUFFERC (12.50, 1.50)
[DRC0026] This reference has already been assigned to a different package type. Q8
S318, 19.PEX ZERO DELAY BUFFER (13.20, 5.00)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 07.DECOUPLING BUFFERC (15.70, 1.70)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 08.PRIMARY DISPLAY(DACA) (3.00, 5.60)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 09.Secondary display(DACC) (2.80, 5.70)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 10.INTERNAL TMDS LINK A&B (5.80, 3.50)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 11.INTERNAL TMDS LINK C&D (5.70, 3.50)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 12.G3VIP/MIOB (4.90, 2.80)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 12.G3VIP/MIOB (4.90, 9.20)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 14.DACB (9.50, 10.90)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 15.4-PIN&12-PIN VIDEO HEADERS (6.30, 11.10)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 16.JTAG/BIOS ROM/HDCP ROM/FAN (3.90, 9.50)
[DRC0026] This reference has already been assigned to a different package type. U11
S318, 16.JTAG/BIOS ROM/HDCP ROM/FAN (4.40, 0.80)
[DRC0026] This reference has already been assigned to a different package type. U12
S318, 03.FRAME BUFFERA (9.60, 12.00)
[DRC0026] This reference has already been assigned to a different package type. U12
S318, 03.FRAME BUFFERA (5.30, 12.00)
[DRC0026] This reference has already been assigned to a different package type. U12
S318, 03.FRAME BUFFERA (11.70, 11.90)
[DRC0026] This reference has already been assigned to a different package type. U12
S318, 03.FRAME BUFFERA (7.30, 12.00)

请帮忙解决，谢谢！

现在发现每次在原理中修改零件后，会自动产生一个新的零件，我在修改时只选了更新当前，可能这样致使出现了多个PACKET，而我现在用的是多个零件的一部分。 想将已用的部分，重新建一个零件，但COPY BGA部分1PASTE时，零件编号又没有了，请教高手是否有快捷方法解决?非常感谢！