Add to ORKGThe SAP Reference Model is a set of information models that is utilized to guide the configuration of SAP systems. A big part of these models are business process models represented in the Eventdriven Process Chains (EPC) notation. These EPC models provide a easy to comprehend overview of SAP business functionality on an abstract level. As such, the SAP Reference Model is considered as an important tool to bridge the gap between business logic and information system implementation. In a recent research project, we found that there are several errors in the reference model: 5.6% of the more than 600 processes that we analyzed revealed errors