Lỗi khi tao netlist

[dkpro.no1]

Ai giúp em lỗi này với. Em đang cần gấp.
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* Design Rules Check
*
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Checking Pins and Pin Connections
ERROR [DRC0031] Same Pin Number connected to more than one net. /U1/1 Nets: '0' and 'N01516'. : SCHEMATIC1, PAGE1 (3.80, 2.70)
ERROR [DRC0031] Same Pin Number connected to more than one net. /U1/2 Nets: 'N04330' and 'N01420'. : SCHEMATIC1, PAGE1 (3.50, 2.50)
ERROR [DRC0031] Same Pin Number connected to more than one net. /U1/3 Nets: '0' and 'N01871'. : SCHEMATIC1, PAGE1 (3.80, 2.30)

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Checking Schematic: SCHEMATIC1
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Checking Electrical Rules

Checking for Unconnected Nets

Checking for Invalid References
[DRC0026] This reference has already been assigned to a different package type. U1: SCHEMATIC1, PAGE1 (3.60, 2.40)
ERROR [DRC0027] Other parts in this package have different values or PCB footprints. U1: SCHEMATIC1, PAGE1 (3.60, 2.40)

Checking for Duplicate References

[vanhai0303]

kiểm tra lại chân của con U1

[Sangstbk]

Hình như là 2 con linh kiện trùng tên hoặc 2 chân linh kiện U1 trùng số