title: Cannot find the schema 'X', because it does not exist or you do not have permission
body: <p>I have logged in as db.owner and system admin to sql server managment studio, and now I want to run the following script :</p>
  
  <p>use master
  grant insert,update,select on schema :: [NORTHWND] to [bab-pc\testdb]
  go</p>
  
  <p>I want to grant only insert,update,select permissions to testdb user. But it throws error:</p>
  
  <p>Msg 15151, Level 16, State 1, Line 2
  Cannot find the schema 'NORTHWND', because it does not exist or you do not have permission.</p>
  
  <p>Where is the problem ?</p>
  
  <p>Thanks.</p>