Failures can normally be traced to implementation or human factors. Note that those companies achieving world-class status spend proportionately more on training and education than they do on hardware and software. Poor project management. An ERP implementation either brings change in its wake or actively forces change upon the business. There is only one way to manage any type of change intervention and that is via project management.
Businesses often underestimate the complexity of scoping, configuring and managing projects.
If you have doubts about your expertise in this area, either invest in educating your own people or contract an organisation with proven capabilities. Lack of management commitment and leadership. Resistance to change must be overcome. Unless there is visible, consistent leadership of the organisation through the process, it is too easy to slip back into old and inefficient ways of doing things. ERP systems ensure core business processes can be executed effectively, efficiently, and at low cost.