Freeradius log

[fvt3]

Hi,

I'm getting this error in my log, 

Error: rlm_sql: The 'op' field for attribute 'password
= ' is NULL, or non-existent.
Wed Mar 29 11:43:34 2006 : Error: rlm_sql: You MUST
FIX THIS if you want the configuration to behave as
you expect.
Wed Mar 29 11:43:39 2006 : Error: Invalid operator for
item Password: reverting to '=='


Anyone know what it is and how to resolve it ?  I'm
still able to authenticate while the log is giving me
this error message ...

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