Which of the following description is wrong?

About the warning information "OSPF/2/IFAUTFAIL (OID) [1.3.6.1.2.1.14.16.2.6]:

A packet is received on a non-virtual interface from a router whose authentication key or authentication type conflicts with the local authenctication key or authenctication type. (IfIpAddress=[ip-address], AddressLessIf=[interface-index], ProcessId= [process -id], RouterId=[router-id], PacketSrc=[source-ip-address], ConfigErrorType=[error-type], PacketType=[packet-type], InstanceName=[instance-name])"

Which of the following description is wrong?
A . It may be caused by incorrect interface verification and coordination
B . Errors that may be caused by inconsistent HELLO time intervals
C . The error may be caused by the subnet mask mismatch
D . The error may be caused by the area code mismatch

Answer: A

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