Remove Duplicate and Sort Warning Message

Error Message:

rmd_msisdn_y: When checking operator: User inserted sort "srt_EFF_DT" does not fulfill the sort requirements of the downstream operator "rmd_msisdn_y"

Cause:

1. Remove duplicate key does not include in Sort Key.

2. Partition key in Remove Duplicate stage and Sort Stage is not identical.

Solution:

Insert more sort key. Choose the SAME partition method.