why are these switches not sharing VTP messages?

A network administrator has configured two switches, named London and Madrid, to use VTP.
However, the switches are not sharing VTP messages. Given the command output shown in the graphic, why are these switches not sharing VTP messages?

A.
The VTP version is not correctly configured.

B.
The VTP operating mode is not correctly configured

C.
The VTP domain name is not correctly configured.

D.
VTP pruning mode is disabled.

E.
VTP V2 mode is disabled.

F.
VTP traps generation is disabled.

Explanation:
1.According to the information provided in the question, we know that the switches are not sharing VTP messages.We need to check VTP status.
2.Check VTP domain name, switches within the same domain can learn from each other.
Check VTP mode, the VTP learning process must occur with a seiver mode existence. The Server is the default mode.