How to edit/ clear effective end date on the collective agreement

Summary:

There was an end date put on a collective agreement by mistake by config team. We need to remove this end date. Any suggestions on how to achieve this.

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This is what team has tried so far

Update the Effective End Date via HSDL but it gave below error, it suggested to use ReplaceLastEffectiveEndDate, however this field is not available in the Business Object list for CA only in the CollectiveAgreementsExtraInfo. Looks like the same with HDL.