生成网表问题

2dmin

从原理图生成网表时出现下面错误：
#1 Error [ALG0054] Conflicting number of parts per package (1) for U1: SCHEMATIC1, 3.Memory (2.80, 0.30)1 Q5 F4 J. j2 X( ]t# U3 o, h: Q
#2 Error [ALG0045] multiple pin 2's which have different nets connected for U1: SCHEMATIC1, 3.Memory (2.80, 0.30).
#3 Error [ALG0045] multiple pin 4's which have different nets connected for U1: SCHEMATIC1, 3.Memory (2.80, 0.30).$ Y. K" J; q- `. v3 \# {0 ~
#4 Error [ALG0045] multiple pin 1's which have different nets connected for U1: SCHEMATIC1, 3.Memory (2.80, 0.30).
#5 Error [ALG0045] multiple pin 3's which have different nets connected for U1: SCHEMATIC1, 3.Memory (2.80, 0.30).
#6 Aborting Netlisting... Please correct the above errors and retry.8 j) L6 J& I6 f, f+ i& i

大意是说U1中有多个Pin 2,4,1,3 ，可没有啊，网上也搜不到这个错误，不知是么原因啊