Implementing SAP in retail has its own challenges. The large number of products ("articles") sold, locations ("sites"), handling POS data etc.
My first ever SAP implementation was for a large retailer and the project was cancelled (they later implemented SAP ~10 years later after the product matured somewhat) and another project 8 years later was also cancelled. Only two SAP projects I've been involved in that have been cancelled and both were retail (and using IS-Retail, SAP's solution for retail industries).
