Benefits Life Event reprocessing going back more than 6 months

Summary:

Due to some data entry issue back in Feb, 2021 (early benefit deduction), the EE should be getting back a retro deduction. It only came to our attention recently (after more than a year). There has been multiple LE that has been processed during the year (Rate Change, Salary Change etc.). Is it a good idea to back out all those events going back to Feb, 2021 and reprocess again with the correct rate start date. What are some other ways to go about it? Thank you in advance - any help is greatly appreciated.

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