In the past, we were able to delete a fiscal period on the calendar applied to the ledger in order to divide it differently. Then, we would run the ledger recalculation batch job to ensure postings occurred in the correct periods. This appears to no longer be the case, as an error throws when trying to delete a fiscal period while that fiscal calendar is applied to the ledger. The only workaround is to create a new fiscal calendar all of the way back to the first transactions with the adjustments required, and then apply the new calendar to the ledger and run the recalculation job.

This could be remedied one of two ways: Either add a "copy fiscal calendar" function to allow easier creation of a new fiscal calendar that can then be adjusted, or allow fiscal periods that have not had postings yet to be deleted and re-divided.