couchnode SyntaxError: Unexpected token }

From QE dashboard (greenboard)
Queries sometimes fail with syntax error in bucket.js. The dashboard is sending same query that usually returns results - but occasionally fails. This causes a problem where ui restarts and all caching has to be recreated

Fri Apr 22 2016 12:47:06 GMT-0700 (PDT) 'QUERY:' 'SELECT * FROM server WHERE `build` LIKE \'4.5.0%\''
Fri Apr 22 2016 12:47:45 GMT-0700 (PDT) 'QUERY:' 'SELECT DISTINCT SPLIT(`build`,\'-\')[0] AS version FROM server ORDER BY version'
Fri Apr 22 2016 12:47:46 GMT-0700 (PDT) 'QUERY:' 'SELECT * FROM server WHERE `build` LIKE \'4.5.0%\''
Fri Apr 22 2016 12:47:46 GMT-0700 (PDT) 'QUERY:' 'SELECT * FROM server WHERE `build` LIKE \'4.5.0%\''
undefined:1
},
^
SyntaxError: Unexpected token }
at Object.parse (native)
at /usr/lib/node_modules/couchbase/lib/bucket.js:652:28