Can't be worse then needing to change a SAP system to work with the business processes than instead what is the cheaper and quicker way of changing the processe

Can't be worse then needing to change a SAP system to work with the business processes than instead what is the cheaper and quicker way of changing the processes to better match SAP. Sometimes you had to reimplement whole systems that SAP comes out of the box with. Thanks not to be named fashion brand.