The query processor could not produce a query plan because a worktable is required, and its minimum row size exceeds the ...

The query processor could not produce a query plan because a worktable is required, and its minimum row size exceeds the maximum allowable of %1!s! bytes. A typical reason why a worktable is required is a GROUP BY or ORDER BY clause in the query. Resubmit your query without the ROBUST PLAN hint.