Page said us that security keys must be 16 bytes but example is 17 bytes.
I guess one bytes (0x99 0x00 0xAA) is misstyped
Network Security Key [security_networkkey]
This sets the network security key used in your network for securing communications using the secure command classes. It is a 16 byte value, specified in hexadecimal. The following formats -:
0011223344556677889900AABBCCDDEEFF
00 11 22 33 44 55 66 77 88 99 00 AA BB CC DD EE FF