« MODx Parse Error »

MODx encountered the following error while attempting to parse the requested resource:
« Execution of a query to the database failed - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 's cafe') and (modx_site_content.id=modx_site_tmplvar_contentvalues.contentid) an' at line 3 »
      SQL:  SELECT modx_site_content.id from modx_site_content,modx_site_tmplvar_contentvalues where (modx_site_tmplvar_contentvalues.value='Rock's cafe') and (modx_site_content.id=modx_site_tmplvar_contentvalues.contentid) and (modx_site_tmplvar_contentvalues.tmplvarid=5)
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Parser timing
  MySQL: 0.0346 s(2 Requests)
  PHP: 0.0276 s 
  Total: 0.0622 s