Seeking Advice: Claiming Mortgage Expenses with Openbank – Any Success Stories?

Hello good!!
I have decided to create this thread because I want to claim my mortgage expenses.
My partner and I requested it in October 2018. At that time, the mortgage loan expenses still fell on the loan holders.
I have been looking for information about it and I have not seen any case that openbank has returned these management expenses.
In addition, I have called several times and they tell me that because other entities have returned it, they are not obliged to return this money.
I wanted to know if someone has a mortgage with Openbank and they have returned the money, how they have managed it.
Also from other entities, which is always good to know.
Thank you so much!!