用orcad画完原理图时出现的问题

用orcad画完原理图，做drc检查时发现以下问题，请问各路高手是什么原因？先谢谢了
Checking Misleading Tap connection
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA0_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.10)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA1_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.20)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA3_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.40)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA2_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.30)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA7_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.80)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA6_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.70)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA5_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.60)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA4_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.50)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA11_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 2.20)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA10_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 2.10)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA9_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 2.00)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA8_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 1.90)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA14_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 2.50)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA13_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 2.40)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA12_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 2.30)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD1_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 1.45)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD2_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 1.55)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD3_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 1.65)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD4_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 1.75)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD5_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 1.85)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD6_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 1.95)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD8_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.15)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD9_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.25)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD10_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.35)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD11_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.45)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD7_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.05)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD12_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.55)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD14_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.75)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD15_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.85)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD16_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.95)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD17_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 3.05)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD13_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(11.04, 2.65)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD21_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.12, 5.20)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD19_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.12, 5.00)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD20_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.12, 5.10)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. ADD18_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.12, 4.90)
ERROR [DRC0039] Tap may not be connected with the bus Check Entire net. DATA15_M:HI47CPD1_VD, 17 BBU Memroy&Misc signal(2.11, 2.60)
Check Bus width mismatch

应该是页与页之间连接没加上吧