title: ERROR - The specified data type is not valid. [ Data type (if known) = varchar ]
body: <p>I have recently installed SQL 2008 R2</p>
  
  <pre><code>CREATE TABLE TPERSONS(
  personid int PRIMARY KEY NOT NULL,
  lastname varchar(50) NULL,
  firstname varchar(50) NULL,
  salary money NULL,
  managerid int NULL -- foreign key to personid
  )
  </code></pre>
  
  <p>I do not understand why I receive this error.</p>
  
  <pre><code>Major Error 0x80040E14, Minor Error 26302
  
  )
  The specified data type is not valid. [ Data type (if known) = varchar ]
  </code></pre>