A network engineer outputs the following information when troubleshooting OSPF protocol faults. <pre><code><Huawei>display ospf error interface GigabitEthernet 0/0/0 OSPF Process 1 with Router ID…

A network engineer outputs the following information when troubleshooting OSPF protocol faults. <pre><code><Huawei>display ospf error interface GigabitEthernet 0/0/0 OSPF Process 1 with Router ID 10.0.12.2 OSPF error statistics Interface: GigabitEthernet0/0/0 (10.0.12.2) General packet errors: 0 : Bad version 0 : Bad checksum 4 : Bad area id 0 : Bad authentication type 0 : Bad authentication key 0 : Unknown neighbor 0 : Bad net segment 0 : Extern option mismatch 0 : Router id confusion HELLO packet errors: 0 : Netmask mismatch 0 : Hello timer mismatch 0 : Dead timer mismatch 0 : invalid Source Address </code></pre> Based on this, determine what causes the adjacency relationship to fail to be established normally?