Missing transactions for same amount


I am importing transactions from a linked propertyware account. In the propertyware portal I see 3 charges for the same amount each (PM fees per property), but in stessa, only one of them is visible. Scrolling back in the transaction history, I noticed that this happens since February. In january there are still 3 transaction visible, but after that only 1. Does stessa try to be smart and hide duplicates or what is happening?