sql error in sybase.

I am getting  the below error:

SQL Server cpu time: 0 ms.  SQL Server elapsed time: 0 ms.
Server Message:  Number  102, Severity  15 Incorrect syntax near '('.
Server Message:  Number  102, Severity  15 Incorrect syntax near 'x'.
Server Message:  Number  102, Severity  15 Incorrect syntax near 'y'.

SELECT x.nsdorderno, x.notetext, y.notetext
  FROM (SELECT lgeproreqaudit.nsdorderno nsdorderno,
               lgeproreqnoteaudit.notetext notetext
          FROM lgeproreqnoteaudit, lgeproreqaudit
         WHERE (UPPER (lgeproreqnoteaudit.notetext) LIKE '%PTNII:%')
           AND lgeproreqaudit.objectid = lgeproreqnoteaudit.reqaudit_objectid
           AND datepart (yy, lgeproreqaudit.createdatetime) >= 2008) x,
       (SELECT lgeproreqaudit.nsdorderno nsdorderno,
               lgeproreqnoteaudit.notetext notetext
          FROM lgeproreqnoteaudit, lgeproreqaudit
         WHERE (UPPER (lgeproreqnoteaudit.notetext) LIKE '%TPR #%')
           AND lgeproreqaudit.objectid = lgeproreqnoteaudit.reqaudit_objectid
           AND datepart (yy, lgeproreqaudit.createdatetime) >= 2008) y  WHERE x.nsdorderno = y.nsdorderno;

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