You cannot comment out GO. It isn't a part of T-SQL but QA command.

>>>That kills me!!!
>>>
>>>print 'Cart ID =' + RTRIM(CONVERT(varchar(30), @tnCartID)) + ' Error code = ' + RTRIM(CONVERT(varchar(30), @RetStat))
>>>
>>>Doesn't print anything. If I have Error code on the second line, it prints it, but not CartID
>>
>>I've no idea what you're talking about. :)
>>
>>>Also how can I get rid of 1 row affected message. It starts to get on my nerves...
>>
>>Add SET NOCOUNT ON at the beginning of sproc.
>
>I added nice comment, but it now gives me an error.
>
>Could you please help me to find, what's wrong?