tsig indicates error

[Managed Pvt nets]

Hi All,

I have recently built a server to act as a secondary / slave for my 
zones. Built on Debian 8.1 and running BIND 9.9.5. On trying to transfer 
zones from my master I am getting this error here, what could I be 
missing:

===
Jul 24 15:33:55 huffer named[493]: zone myzonename.co.zw/IN: refresh: 
failure trying master aaa.bbb.ccc.ddd#53 (source 0.0.0.0#0): tsig 
indicates error
===

regards,

Mollatt.
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