Data load for specific time period pulling data from other time periods

If the amount loaded into two months is the reversal of the first month's amount and only happens in months where you have no data in the following month, see the responses in the following post, as it's very informative and we battled the same issue: https://community.onestreamsoftware.com/t5/Workflow-and-Data-Integration/Actuals-data-load-issue-YTD-adjustment-being-loaded/td-p/8113