>Hi everybody,
>
>I'm getting this error "Implicit conversion from data type varchar to varbinary(max) is not allowed. Use the CONVERT function to run this query."
>
>One of the parameters in my SP is varbinary(max). In my tests I don't declare this parameter. In the SP declaration I have
>@DefaultPicture varbinary(max) = NULL,
>
>Do you know what can I do to fix this problem?
>
>Thanks in advance.

How you CREATE this SP and how you call it?
If you didn't use Named parameters you should call it like this:

EXEC MySp Firstparameter, DEFAULT, Third Parameter