I am trying to view transaction in a customer ledger going back several years. But I am only able to see the latest transaction from 2020.

There are invoices/credits posted to their account dating to previous years but on the ledger they are not visible - even though I am viewing all transaction from the standard 1980-2099 time frame/period.

Any help would be great on this - and apologies if it is something simple that I am missing. 

Rob