It is but as it's not integer it can group correctly i have this error message ERROR: Data set WORK.QUERY_FOR_ITEM_SMRY_0001 is not sorted in ascending sequence. The current BY group has ITEM_ID = 7262314317311375 and the next BY group has ITEM_ID = 0104617002383014. NOTE: The SAS System stopped processing this step because of errors.
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