The document discusses the ERP implementation life cycle including the methodology, critical success factors, and critical failure factors. It describes the typical phases of an ERP implementation project including pre-implementation, implementation, and post-implementation. It also outlines some of the key challenges of implementing an ERP system such as change management, user adoption, and meeting expectations. Critical success factors include leadership commitment, effective project management, and training, while common critical failures include customization, high turnover, and poor testing.